Home / 20,452.97-28,227.23-12,500.49

Finding the Fourth Proportional to 20,452.97, 28,227.23 and 12,500.49

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Solution

The fourth proportional to 20,452.97, 28,227.23 and 12,500.49 is: 17,251.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452.97 : 28,227.23 = 12,500.49 : x
  2. Step 2: Convert to fraction form
    20,452.97/28,227.23 = 12,500.49/x
  3. Step 3: Cross multiply
    20,452.97x = 28,227.23 × 12,500.49
  4. Step 4: Simplify right side
    20,452.97x = 352,854,366.88
  5. Step 5: Solve for x
    x = 352,854,366.88/20,452.97
  6. Step 6: Final answer
    x = 17,251.98

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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.