Home / 22,663.20-33,956.42-13,879.76

Finding the Fourth Proportional to 22,663.20, 33,956.42 and 13,879.76

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Solution

The fourth proportional to 22,663.20, 33,956.42 and 13,879.76 is: 20,796.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,663.20 : 33,956.42 = 13,879.76 : x
  2. Step 2: Convert to fraction form
    22,663.20/33,956.42 = 13,879.76/x
  3. Step 3: Cross multiply
    22,663.20x = 33,956.42 × 13,879.76
  4. Step 4: Simplify right side
    22,663.20x = 471,306,960.06
  5. Step 5: Solve for x
    x = 471,306,960.06/22,663.20
  6. Step 6: Final answer
    x = 20,796.13

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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.