Home / 27,659.70-41,482.11-10,129.62

Finding the Fourth Proportional to 27,659.70, 41,482.11 and 10,129.62

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Solution

The fourth proportional to 27,659.70, 41,482.11 and 10,129.62 is: 15,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,659.70 : 41,482.11 = 10,129.62 : x
  2. Step 2: Convert to fraction form
    27,659.70/41,482.11 = 10,129.62/x
  3. Step 3: Cross multiply
    27,659.70x = 41,482.11 × 10,129.62
  4. Step 4: Simplify right side
    27,659.70x = 420,198,011.10
  5. Step 5: Solve for x
    x = 420,198,011.10/27,659.70
  6. Step 6: Final answer
    x = 15,191.71

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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.