Home / 22,793.40-31,445.82-13,360.14

Finding the Fourth Proportional to 22,793.40, 31,445.82 and 13,360.14

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Solution

The fourth proportional to 22,793.40, 31,445.82 and 13,360.14 is: 18,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,793.40 : 31,445.82 = 13,360.14 : x
  2. Step 2: Convert to fraction form
    22,793.40/31,445.82 = 13,360.14/x
  3. Step 3: Cross multiply
    22,793.40x = 31,445.82 × 13,360.14
  4. Step 4: Simplify right side
    22,793.40x = 420,120,557.61
  5. Step 5: Solve for x
    x = 420,120,557.61/22,793.40
  6. Step 6: Final answer
    x = 18,431.68

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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.