Home / 18,163.89-27,245.84-6,474.38

Finding the Fourth Proportional to 18,163.89, 27,245.84 and 6,474.38

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Solution

The fourth proportional to 18,163.89, 27,245.84 and 6,474.38 is: 9,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.89 : 27,245.84 = 6,474.38 : x
  2. Step 2: Convert to fraction form
    18,163.89/27,245.84 = 6,474.38/x
  3. Step 3: Cross multiply
    18,163.89x = 27,245.84 × 6,474.38
  4. Step 4: Simplify right side
    18,163.89x = 176,399,752.98
  5. Step 5: Solve for x
    x = 176,399,752.98/18,163.89
  6. Step 6: Final answer
    x = 9,711.56

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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.