Home / 15,279.20-22,918.82-4,185.98

Finding the Fourth Proportional to 15,279.20, 22,918.82 and 4,185.98

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Solution

The fourth proportional to 15,279.20, 22,918.82 and 4,185.98 is: 6,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279.20 : 22,918.82 = 4,185.98 : x
  2. Step 2: Convert to fraction form
    15,279.20/22,918.82 = 4,185.98/x
  3. Step 3: Cross multiply
    15,279.20x = 22,918.82 × 4,185.98
  4. Step 4: Simplify right side
    15,279.20x = 95,937,586.62
  5. Step 5: Solve for x
    x = 95,937,586.62/15,279.20
  6. Step 6: Final answer
    x = 6,278.97

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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.