PHP, 62 Bytes

Order Kelvin , Celsius , Rankine , Fahrenheit

print_r([$t=($argn+183.205)/1.4,$t-273.15,$t*=1.8,$t-459.67]);

Online Version

PHP, 64 Bytes

Order Kelvin , Rankine , Fahrenheit , Celsius

print_r([$k=($argn+183.205)/1.4,$r=1.8*$k,$r-459.67,$k-273.15]);

Online Version

PHP, 62 Bytes

Order Kelvin , Celsius , Rankine , Fahrenheit

print_r([$t=($argn+183.205)/1.4,$t-273.15,$t*=1.8,$t-459.67]);

Online Version

PHP, 64 Bytes

Order Kelvin , Rankine , Fahrenheit , Celsius

print_r([$k=($argn+183.205)/1.4,$r=1.8*$k,$r-459.67,$k-273.15]);

Online Version

PHP, 64 Bytes

Order Kelvin , Rankine , Fahrenheit , Celsius

print_r([$k=($argn+183.205)/1.4,$r=1.8*$k,$r-459.67,$k-273.15]);

Online Version

PHP, 62 Bytes

Order Kelvin , Celsius , Rankine , Fahrenheit

print_r([$t=($argn+183.205)/1.4,$t-273.15,$t*=1.8,$t-459.67]);

Online Version

PHP, 64 Bytes

Order Kelvin , Rankine , Fahrenheit , Celsius

print_r([$k=($argn+183.205)/1.4,$r=1.8*$k,$r-459.67,$k-273.15]);

Online Version