Home / 26,081.91-39,125.88-9,449.78

Finding the Fourth Proportional to 26,081.91, 39,125.88 and 9,449.78

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Solution

The fourth proportional to 26,081.91, 39,125.88 and 9,449.78 is: 14,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,081.91 : 39,125.88 = 9,449.78 : x
  2. Step 2: Convert to fraction form
    26,081.91/39,125.88 = 9,449.78/x
  3. Step 3: Cross multiply
    26,081.91x = 39,125.88 × 9,449.78
  4. Step 4: Simplify right side
    26,081.91x = 369,730,762.68
  5. Step 5: Solve for x
    x = 369,730,762.68/26,081.91
  6. Step 6: Final answer
    x = 14,175.75

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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.