Home / 18,463.45-25,512.87-13,149.04

Finding the Fourth Proportional to 18,463.45, 25,512.87 and 13,149.04

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Solution

The fourth proportional to 18,463.45, 25,512.87 and 13,149.04 is: 18,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463.45 : 25,512.87 = 13,149.04 : x
  2. Step 2: Convert to fraction form
    18,463.45/25,512.87 = 13,149.04/x
  3. Step 3: Cross multiply
    18,463.45x = 25,512.87 × 13,149.04
  4. Step 4: Simplify right side
    18,463.45x = 335,469,748.14
  5. Step 5: Solve for x
    x = 335,469,748.14/18,463.45
  6. Step 6: Final answer
    x = 18,169.40

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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.