Home / 26,481.62-39,728.15-8,951.06

Finding the Fourth Proportional to 26,481.62, 39,728.15 and 8,951.06

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Solution

The fourth proportional to 26,481.62, 39,728.15 and 8,951.06 is: 13,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,481.62 : 39,728.15 = 8,951.06 : x
  2. Step 2: Convert to fraction form
    26,481.62/39,728.15 = 8,951.06/x
  3. Step 3: Cross multiply
    26,481.62x = 39,728.15 × 8,951.06
  4. Step 4: Simplify right side
    26,481.62x = 355,609,009.58
  5. Step 5: Solve for x
    x = 355,609,009.58/26,481.62
  6. Step 6: Final answer
    x = 13,428.52

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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.