Home / 22,717.36-34,078.27-8,689.17

Finding the Fourth Proportional to 22,717.36, 34,078.27 and 8,689.17

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Solution

The fourth proportional to 22,717.36, 34,078.27 and 8,689.17 is: 13,034.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,717.36 : 34,078.27 = 8,689.17 : x
  2. Step 2: Convert to fraction form
    22,717.36/34,078.27 = 8,689.17/x
  3. Step 3: Cross multiply
    22,717.36x = 34,078.27 × 8,689.17
  4. Step 4: Simplify right side
    22,717.36x = 296,112,003.70
  5. Step 5: Solve for x
    x = 296,112,003.70/22,717.36
  6. Step 6: Final answer
    x = 13,034.61

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1.5x scale

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.