Home / 15,976.31-23,961.17-4,286.75

Finding the Fourth Proportional to 15,976.31, 23,961.17 and 4,286.75

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Solution

The fourth proportional to 15,976.31, 23,961.17 and 4,286.75 is: 6,429.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.31 : 23,961.17 = 4,286.75 : x
  2. Step 2: Convert to fraction form
    15,976.31/23,961.17 = 4,286.75/x
  3. Step 3: Cross multiply
    15,976.31x = 23,961.17 × 4,286.75
  4. Step 4: Simplify right side
    15,976.31x = 102,715,524.06
  5. Step 5: Solve for x
    x = 102,715,524.06/15,976.31
  6. Step 6: Final answer
    x = 6,429.24

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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.