Home / 26,613.39-39,930.71-10,819.61

Finding the Fourth Proportional to 26,613.39, 39,930.71 and 10,819.61

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Solution

The fourth proportional to 26,613.39, 39,930.71 and 10,819.61 is: 16,233.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,613.39 : 39,930.71 = 10,819.61 : x
  2. Step 2: Convert to fraction form
    26,613.39/39,930.71 = 10,819.61/x
  3. Step 3: Cross multiply
    26,613.39x = 39,930.71 × 10,819.61
  4. Step 4: Simplify right side
    26,613.39x = 432,034,455.47
  5. Step 5: Solve for x
    x = 432,034,455.47/26,613.39
  6. Step 6: Final answer
    x = 16,233.73

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1.5x scale

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.