Since, winning candidate secured 58% of the votes polled.
Losing candidate secured
= (100 - 58) of the votes polled
= 42% of the votes polled
Difference of voted = 58 - 42
= 16% of the votes polled
We are given :
16% of votes polled = 18,336
16/100 of votes polled = 18,336
Votes polled = 18,336 x (100/16)