Home / 18,542.64-25,565.88-12,245.04

Finding the Fourth Proportional to 18,542.64, 25,565.88 and 12,245.04

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Solution

The fourth proportional to 18,542.64, 25,565.88 and 12,245.04 is: 16,882.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542.64 : 25,565.88 = 12,245.04 : x
  2. Step 2: Convert to fraction form
    18,542.64/25,565.88 = 12,245.04/x
  3. Step 3: Cross multiply
    18,542.64x = 25,565.88 × 12,245.04
  4. Step 4: Simplify right side
    18,542.64x = 313,055,223.24
  5. Step 5: Solve for x
    x = 313,055,223.24/18,542.64
  6. Step 6: Final answer
    x = 16,882.99

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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.