Home / 22,747.20-31,391.26-13,192.75

Finding the Fourth Proportional to 22,747.20, 31,391.26 and 13,192.75

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Solution

The fourth proportional to 22,747.20, 31,391.26 and 13,192.75 is: 18,206.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,747.20 : 31,391.26 = 13,192.75 : x
  2. Step 2: Convert to fraction form
    22,747.20/31,391.26 = 13,192.75/x
  3. Step 3: Cross multiply
    22,747.20x = 31,391.26 × 13,192.75
  4. Step 4: Simplify right side
    22,747.20x = 414,137,061.86
  5. Step 5: Solve for x
    x = 414,137,061.86/22,747.20
  6. Step 6: Final answer
    x = 18,206.07

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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.