Home / 13,417.62-20,126.60-4,057.71

Finding the Fourth Proportional to 13,417.62, 20,126.60 and 4,057.71

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Solution

The fourth proportional to 13,417.62, 20,126.60 and 4,057.71 is: 6,086.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.62 : 20,126.60 = 4,057.71 : x
  2. Step 2: Convert to fraction form
    13,417.62/20,126.60 = 4,057.71/x
  3. Step 3: Cross multiply
    13,417.62x = 20,126.60 × 4,057.71
  4. Step 4: Simplify right side
    13,417.62x = 81,667,885.80
  5. Step 5: Solve for x
    x = 81,667,885.80/13,417.62
  6. Step 6: Final answer
    x = 6,086.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.