Home / 26,231.39-39,358.68-13,748.43

Finding the Fourth Proportional to 26,231.39, 39,358.68 and 13,748.43

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Solution

The fourth proportional to 26,231.39, 39,358.68 and 13,748.43 is: 20,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,231.39 : 39,358.68 = 13,748.43 : x
  2. Step 2: Convert to fraction form
    26,231.39/39,358.68 = 13,748.43/x
  3. Step 3: Cross multiply
    26,231.39x = 39,358.68 × 13,748.43
  4. Step 4: Simplify right side
    26,231.39x = 541,120,268.91
  5. Step 5: Solve for x
    x = 541,120,268.91/26,231.39
  6. Step 6: Final answer
    x = 20,628.73

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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.