Finding the Fourth Proportional to 15,687.36, 23,536.80 and 14,760
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Solution
The fourth proportional to 15,687.36, 23,536.80 and 14,760 is: 22,145.42
Step by Step Solution
- Step 1: Write the proportion equation
15,687.36 : 23,536.80 = 14,760 : x - Step 2: Convert to fraction form
15,687.36/23,536.80 = 14,760/x - Step 3: Cross multiply
15,687.36x = 23,536.80 × 14,760 - Step 4: Simplify right side
15,687.36x = 347,403,168 - Step 5: Solve for x
x = 347,403,168/15,687.36 - Step 6: Final answer
x = 22,145.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.