Home / 22,778.20-31,387.26-16,800.40

Finding the Fourth Proportional to 22,778.20, 31,387.26 and 16,800.40

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Solution

The fourth proportional to 22,778.20, 31,387.26 and 16,800.40 is: 23,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,778.20 : 31,387.26 = 16,800.40 : x
  2. Step 2: Convert to fraction form
    22,778.20/31,387.26 = 16,800.40/x
  3. Step 3: Cross multiply
    22,778.20x = 31,387.26 × 16,800.40
  4. Step 4: Simplify right side
    22,778.20x = 527,318,522.90
  5. Step 5: Solve for x
    x = 527,318,522.90/22,778.20
  6. Step 6: Final answer
    x = 23,150.14

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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.