Home / 22,744.05-31,388.48-13,186.86

Finding the Fourth Proportional to 22,744.05, 31,388.48 and 13,186.86

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Solution

The fourth proportional to 22,744.05, 31,388.48 and 13,186.86 is: 18,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,744.05 : 31,388.48 = 13,186.86 : x
  2. Step 2: Convert to fraction form
    22,744.05/31,388.48 = 13,186.86/x
  3. Step 3: Cross multiply
    22,744.05x = 31,388.48 × 13,186.86
  4. Step 4: Simplify right side
    22,744.05x = 413,915,491.37
  5. Step 5: Solve for x
    x = 413,915,491.37/22,744.05
  6. Step 6: Final answer
    x = 18,198.85

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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.