Home / 13,550.97-20,324.39-3,691.02

Finding the Fourth Proportional to 13,550.97, 20,324.39 and 3,691.02

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Solution

The fourth proportional to 13,550.97, 20,324.39 and 3,691.02 is: 5,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.97 : 20,324.39 = 3,691.02 : x
  2. Step 2: Convert to fraction form
    13,550.97/20,324.39 = 3,691.02/x
  3. Step 3: Cross multiply
    13,550.97x = 20,324.39 × 3,691.02
  4. Step 4: Simplify right side
    13,550.97x = 75,017,729.98
  5. Step 5: Solve for x
    x = 75,017,729.98/13,550.97
  6. Step 6: Final answer
    x = 5,535.97

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1.5x scale

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.