Home / 22,325.97-30,812.66-12,892.71

Finding the Fourth Proportional to 22,325.97, 30,812.66 and 12,892.71

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Solution

The fourth proportional to 22,325.97, 30,812.66 and 12,892.71 is: 17,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,325.97 : 30,812.66 = 12,892.71 : x
  2. Step 2: Convert to fraction form
    22,325.97/30,812.66 = 12,892.71/x
  3. Step 3: Cross multiply
    22,325.97x = 30,812.66 × 12,892.71
  4. Step 4: Simplify right side
    22,325.97x = 397,258,689.71
  5. Step 5: Solve for x
    x = 397,258,689.71/22,325.97
  6. Step 6: Final answer
    x = 17,793.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.