Home / 25,161.92-37,740.45-7,631.90

Finding the Fourth Proportional to 25,161.92, 37,740.45 and 7,631.90

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Solution

The fourth proportional to 25,161.92, 37,740.45 and 7,631.90 is: 11,447.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,161.92 : 37,740.45 = 7,631.90 : x
  2. Step 2: Convert to fraction form
    25,161.92/37,740.45 = 7,631.90/x
  3. Step 3: Cross multiply
    25,161.92x = 37,740.45 × 7,631.90
  4. Step 4: Simplify right side
    25,161.92x = 288,031,434.71
  5. Step 5: Solve for x
    x = 288,031,434.71/25,161.92
  6. Step 6: Final answer
    x = 11,447.12

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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.