Home / 15,939.72-23,904.72-4,251.42

Finding the Fourth Proportional to 15,939.72, 23,904.72 and 4,251.42

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Solution

The fourth proportional to 15,939.72, 23,904.72 and 4,251.42 is: 6,375.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,939.72 : 23,904.72 = 4,251.42 : x
  2. Step 2: Convert to fraction form
    15,939.72/23,904.72 = 4,251.42/x
  3. Step 3: Cross multiply
    15,939.72x = 23,904.72 × 4,251.42
  4. Step 4: Simplify right side
    15,939.72x = 101,629,004.70
  5. Step 5: Solve for x
    x = 101,629,004.70/15,939.72
  6. Step 6: Final answer
    x = 6,375.83

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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.