Home / 22,831.11-34,249.41-8,787.87

Finding the Fourth Proportional to 22,831.11, 34,249.41 and 8,787.87

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Solution

The fourth proportional to 22,831.11, 34,249.41 and 8,787.87 is: 13,182.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,831.11 : 34,249.41 = 8,787.87 : x
  2. Step 2: Convert to fraction form
    22,831.11/34,249.41 = 8,787.87/x
  3. Step 3: Cross multiply
    22,831.11x = 34,249.41 × 8,787.87
  4. Step 4: Simplify right side
    22,831.11x = 300,979,362.66
  5. Step 5: Solve for x
    x = 300,979,362.66/22,831.11
  6. Step 6: Final answer
    x = 13,182.86

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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.