Home / 15,169.28-22,723.68-12,054.56

Finding the Fourth Proportional to 15,169.28, 22,723.68 and 12,054.56

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Solution

The fourth proportional to 15,169.28, 22,723.68 and 12,054.56 is: 18,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,169.28 : 22,723.68 = 12,054.56 : x
  2. Step 2: Convert to fraction form
    15,169.28/22,723.68 = 12,054.56/x
  3. Step 3: Cross multiply
    15,169.28x = 22,723.68 × 12,054.56
  4. Step 4: Simplify right side
    15,169.28x = 273,923,963.98
  5. Step 5: Solve for x
    x = 273,923,963.98/15,169.28
  6. Step 6: Final answer
    x = 18,057.81

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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.