Home / 13,569.32-20,385.17-9,575.89

Finding the Fourth Proportional to 13,569.32, 20,385.17 and 9,575.89

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Solution

The fourth proportional to 13,569.32, 20,385.17 and 9,575.89 is: 14,385.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.32 : 20,385.17 = 9,575.89 : x
  2. Step 2: Convert to fraction form
    13,569.32/20,385.17 = 9,575.89/x
  3. Step 3: Cross multiply
    13,569.32x = 20,385.17 × 9,575.89
  4. Step 4: Simplify right side
    13,569.32x = 195,206,082.62
  5. Step 5: Solve for x
    x = 195,206,082.62/13,569.32
  6. Step 6: Final answer
    x = 14,385.84

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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.