Home / 16,819.10-25,229.85-5,132.30

Finding the Fourth Proportional to 16,819.10, 25,229.85 and 5,132.30

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Solution

The fourth proportional to 16,819.10, 25,229.85 and 5,132.30 is: 7,698.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.10 : 25,229.85 = 5,132.30 : x
  2. Step 2: Convert to fraction form
    16,819.10/25,229.85 = 5,132.30/x
  3. Step 3: Cross multiply
    16,819.10x = 25,229.85 × 5,132.30
  4. Step 4: Simplify right side
    16,819.10x = 129,487,159.16
  5. Step 5: Solve for x
    x = 129,487,159.16/16,819.10
  6. Step 6: Final answer
    x = 7,698.82

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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.