Home / 19,400.62-29,105.25-10,631.02

Finding the Fourth Proportional to 19,400.62, 29,105.25 and 10,631.02

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Solution

The fourth proportional to 19,400.62, 29,105.25 and 10,631.02 is: 15,948.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.62 : 29,105.25 = 10,631.02 : x
  2. Step 2: Convert to fraction form
    19,400.62/29,105.25 = 10,631.02/x
  3. Step 3: Cross multiply
    19,400.62x = 29,105.25 × 10,631.02
  4. Step 4: Simplify right side
    19,400.62x = 309,418,494.86
  5. Step 5: Solve for x
    x = 309,418,494.86/19,400.62
  6. Step 6: Final answer
    x = 15,948.90

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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.