Home / 22,520.38-33,780.57-8,672.62

Finding the Fourth Proportional to 22,520.38, 33,780.57 and 8,672.62

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Solution

The fourth proportional to 22,520.38, 33,780.57 and 8,672.62 is: 13,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,520.38 : 33,780.57 = 8,672.62 : x
  2. Step 2: Convert to fraction form
    22,520.38/33,780.57 = 8,672.62/x
  3. Step 3: Cross multiply
    22,520.38x = 33,780.57 × 8,672.62
  4. Step 4: Simplify right side
    22,520.38x = 292,966,046.99
  5. Step 5: Solve for x
    x = 292,966,046.99/22,520.38
  6. Step 6: Final answer
    x = 13,008.93

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1.5x scale

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.