Home / 18,568.62-25,403.45-18,489.24

Finding the Fourth Proportional to 18,568.62, 25,403.45 and 18,489.24

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Solution

The fourth proportional to 18,568.62, 25,403.45 and 18,489.24 is: 25,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.62 : 25,403.45 = 18,489.24 : x
  2. Step 2: Convert to fraction form
    18,568.62/25,403.45 = 18,489.24/x
  3. Step 3: Cross multiply
    18,568.62x = 25,403.45 × 18,489.24
  4. Step 4: Simplify right side
    18,568.62x = 469,690,391.43
  5. Step 5: Solve for x
    x = 469,690,391.43/18,568.62
  6. Step 6: Final answer
    x = 25,294.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.