Home / 22,651.20-33,976.80-13,793.85

Finding the Fourth Proportional to 22,651.20, 33,976.80 and 13,793.85

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Solution

The fourth proportional to 22,651.20, 33,976.80 and 13,793.85 is: 20,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,651.20 : 33,976.80 = 13,793.85 : x
  2. Step 2: Convert to fraction form
    22,651.20/33,976.80 = 13,793.85/x
  3. Step 3: Cross multiply
    22,651.20x = 33,976.80 × 13,793.85
  4. Step 4: Simplify right side
    22,651.20x = 468,670,882.68
  5. Step 5: Solve for x
    x = 468,670,882.68/22,651.20
  6. Step 6: Final answer
    x = 20,690.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.