Home / 16,763.19-25,147.87-5,519.18

Finding the Fourth Proportional to 16,763.19, 25,147.87 and 5,519.18

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Solution

The fourth proportional to 16,763.19, 25,147.87 and 5,519.18 is: 8,279.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,763.19 : 25,147.87 = 5,519.18 : x
  2. Step 2: Convert to fraction form
    16,763.19/25,147.87 = 5,519.18/x
  3. Step 3: Cross multiply
    16,763.19x = 25,147.87 × 5,519.18
  4. Step 4: Simplify right side
    16,763.19x = 138,795,481.61
  5. Step 5: Solve for x
    x = 138,795,481.61/16,763.19
  6. Step 6: Final answer
    x = 8,279.78

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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.