Home / 15,103.20-22,640.82-5,740.41

Finding the Fourth Proportional to 15,103.20, 22,640.82 and 5,740.41

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Solution

The fourth proportional to 15,103.20, 22,640.82 and 5,740.41 is: 8,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,103.20 : 22,640.82 = 5,740.41 : x
  2. Step 2: Convert to fraction form
    15,103.20/22,640.82 = 5,740.41/x
  3. Step 3: Cross multiply
    15,103.20x = 22,640.82 × 5,740.41
  4. Step 4: Simplify right side
    15,103.20x = 129,967,589.54
  5. Step 5: Solve for x
    x = 129,967,589.54/15,103.20
  6. Step 6: Final answer
    x = 8,605.30

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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.