Home / 16,870.20-25,305.57-7,508.04

Finding the Fourth Proportional to 16,870.20, 25,305.57 and 7,508.04

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Solution

The fourth proportional to 16,870.20, 25,305.57 and 7,508.04 is: 11,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870.20 : 25,305.57 = 7,508.04 : x
  2. Step 2: Convert to fraction form
    16,870.20/25,305.57 = 7,508.04/x
  3. Step 3: Cross multiply
    16,870.20x = 25,305.57 × 7,508.04
  4. Step 4: Simplify right side
    16,870.20x = 189,995,231.78
  5. Step 5: Solve for x
    x = 189,995,231.78/16,870.20
  6. Step 6: Final answer
    x = 11,262.18

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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.