Question

4.Find the value of x in 18:x :: 40:25​

Answer 1

$\huge\boxed{\dag\sf\red{ANSWER}\dag}$

→ 18/x=40/25

→ 40x=18×25

→ x= 18×25/40

→ x= 11.25

Answer 2

Product of extremes = product of means
So , 18 x 40 = 25x
720 = 25x
x = 720/25 = 28.8
So x = 28.8
Hope it helps
Thx