Home / 15,942.76-23,917.78-7,624.87

Finding the Fourth Proportional to 15,942.76, 23,917.78 and 7,624.87

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Solution

The fourth proportional to 15,942.76, 23,917.78 and 7,624.87 is: 11,439.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.76 : 23,917.78 = 7,624.87 : x
  2. Step 2: Convert to fraction form
    15,942.76/23,917.78 = 7,624.87/x
  3. Step 3: Cross multiply
    15,942.76x = 23,917.78 × 7,624.87
  4. Step 4: Simplify right side
    15,942.76x = 182,369,912.93
  5. Step 5: Solve for x
    x = 182,369,912.93/15,942.76
  6. Step 6: Final answer
    x = 11,439.04

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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.