Home / 18,658.05-25,747.85-10,160.08

Finding the Fourth Proportional to 18,658.05, 25,747.85 and 10,160.08

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Solution

The fourth proportional to 18,658.05, 25,747.85 and 10,160.08 is: 14,020.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,658.05 : 25,747.85 = 10,160.08 : x
  2. Step 2: Convert to fraction form
    18,658.05/25,747.85 = 10,160.08/x
  3. Step 3: Cross multiply
    18,658.05x = 25,747.85 × 10,160.08
  4. Step 4: Simplify right side
    18,658.05x = 261,600,293.12
  5. Step 5: Solve for x
    x = 261,600,293.12/18,658.05
  6. Step 6: Final answer
    x = 14,020.78

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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.