Home / 22,785.17-34,188.28-8,740.51

Finding the Fourth Proportional to 22,785.17, 34,188.28 and 8,740.51

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Solution

The fourth proportional to 22,785.17, 34,188.28 and 8,740.51 is: 13,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,785.17 : 34,188.28 = 8,740.51 : x
  2. Step 2: Convert to fraction form
    22,785.17/34,188.28 = 8,740.51/x
  3. Step 3: Cross multiply
    22,785.17x = 34,188.28 × 8,740.51
  4. Step 4: Simplify right side
    22,785.17x = 298,822,895.90
  5. Step 5: Solve for x
    x = 298,822,895.90/22,785.17
  6. Step 6: Final answer
    x = 13,114.80

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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.