Home / 18,437.44-27,617.28-12,517.96

Finding the Fourth Proportional to 18,437.44, 27,617.28 and 12,517.96

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Solution

The fourth proportional to 18,437.44, 27,617.28 and 12,517.96 is: 18,750.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.44 : 27,617.28 = 12,517.96 : x
  2. Step 2: Convert to fraction form
    18,437.44/27,617.28 = 12,517.96/x
  3. Step 3: Cross multiply
    18,437.44x = 27,617.28 × 12,517.96
  4. Step 4: Simplify right side
    18,437.44x = 345,711,943.76
  5. Step 5: Solve for x
    x = 345,711,943.76/18,437.44
  6. Step 6: Final answer
    x = 18,750.54

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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.