Home / 26,105.97-39,159.62-8,336.61

Finding the Fourth Proportional to 26,105.97, 39,159.62 and 8,336.61

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Solution

The fourth proportional to 26,105.97, 39,159.62 and 8,336.61 is: 12,505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,105.97 : 39,159.62 = 8,336.61 : x
  2. Step 2: Convert to fraction form
    26,105.97/39,159.62 = 8,336.61/x
  3. Step 3: Cross multiply
    26,105.97x = 39,159.62 × 8,336.61
  4. Step 4: Simplify right side
    26,105.97x = 326,458,438.01
  5. Step 5: Solve for x
    x = 326,458,438.01/26,105.97
  6. Step 6: Final answer
    x = 12,505.13

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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.