Home / 15,687.71-23,529.13-4,591.79

Finding the Fourth Proportional to 15,687.71, 23,529.13 and 4,591.79

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Solution

The fourth proportional to 15,687.71, 23,529.13 and 4,591.79 is: 6,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687.71 : 23,529.13 = 4,591.79 : x
  2. Step 2: Convert to fraction form
    15,687.71/23,529.13 = 4,591.79/x
  3. Step 3: Cross multiply
    15,687.71x = 23,529.13 × 4,591.79
  4. Step 4: Simplify right side
    15,687.71x = 108,040,823.84
  5. Step 5: Solve for x
    x = 108,040,823.84/15,687.71
  6. Step 6: Final answer
    x = 6,886.97

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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.