Home / 22,704.91-31,327.86-13,752.79

Finding the Fourth Proportional to 22,704.91, 31,327.86 and 13,752.79

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Solution

The fourth proportional to 22,704.91, 31,327.86 and 13,752.79 is: 18,975.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.91 : 31,327.86 = 13,752.79 : x
  2. Step 2: Convert to fraction form
    22,704.91/31,327.86 = 13,752.79/x
  3. Step 3: Cross multiply
    22,704.91x = 31,327.86 × 13,752.79
  4. Step 4: Simplify right side
    22,704.91x = 430,845,452.98
  5. Step 5: Solve for x
    x = 430,845,452.98/22,704.91
  6. Step 6: Final answer
    x = 18,975.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.