Home / 20,793.24-28,695.06-12,414.60

Finding the Fourth Proportional to 20,793.24, 28,695.06 and 12,414.60

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Solution

The fourth proportional to 20,793.24, 28,695.06 and 12,414.60 is: 17,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793.24 : 28,695.06 = 12,414.60 : x
  2. Step 2: Convert to fraction form
    20,793.24/28,695.06 = 12,414.60/x
  3. Step 3: Cross multiply
    20,793.24x = 28,695.06 × 12,414.60
  4. Step 4: Simplify right side
    20,793.24x = 356,237,691.88
  5. Step 5: Solve for x
    x = 356,237,691.88/20,793.24
  6. Step 6: Final answer
    x = 17,132.38

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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.