Home / 14,618.46-20,175.21-8,650.13

Finding the Fourth Proportional to 14,618.46, 20,175.21 and 8,650.13

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Solution

The fourth proportional to 14,618.46, 20,175.21 and 8,650.13 is: 11,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.46 : 20,175.21 = 8,650.13 : x
  2. Step 2: Convert to fraction form
    14,618.46/20,175.21 = 8,650.13/x
  3. Step 3: Cross multiply
    14,618.46x = 20,175.21 × 8,650.13
  4. Step 4: Simplify right side
    14,618.46x = 174,518,207.28
  5. Step 5: Solve for x
    x = 174,518,207.28/14,618.46
  6. Step 6: Final answer
    x = 11,938.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.