Home / 22,226.72-30,671.88-12,793.28

Finding the Fourth Proportional to 22,226.72, 30,671.88 and 12,793.28

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Solution

The fourth proportional to 22,226.72, 30,671.88 and 12,793.28 is: 17,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,226.72 : 30,671.88 = 12,793.28 : x
  2. Step 2: Convert to fraction form
    22,226.72/30,671.88 = 12,793.28/x
  3. Step 3: Cross multiply
    22,226.72x = 30,671.88 × 12,793.28
  4. Step 4: Simplify right side
    22,226.72x = 392,393,948.97
  5. Step 5: Solve for x
    x = 392,393,948.97/22,226.72
  6. Step 6: Final answer
    x = 17,654.15

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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.