Home / 25,211.92-37,815.72-15,348.64

Finding the Fourth Proportional to 25,211.92, 37,815.72 and 15,348.64

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Solution

The fourth proportional to 25,211.92, 37,815.72 and 15,348.64 is: 23,021.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,211.92 : 37,815.72 = 15,348.64 : x
  2. Step 2: Convert to fraction form
    25,211.92/37,815.72 = 15,348.64/x
  3. Step 3: Cross multiply
    25,211.92x = 37,815.72 × 15,348.64
  4. Step 4: Simplify right side
    25,211.92x = 580,419,872.62
  5. Step 5: Solve for x
    x = 580,419,872.62/25,211.92
  6. Step 6: Final answer
    x = 23,021.65

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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.