Home / 22,812.82-34,279.98-12,290.92

Finding the Fourth Proportional to 22,812.82, 34,279.98 and 12,290.92

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Solution

The fourth proportional to 22,812.82, 34,279.98 and 12,290.92 is: 18,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,812.82 : 34,279.98 = 12,290.92 : x
  2. Step 2: Convert to fraction form
    22,812.82/34,279.98 = 12,290.92/x
  3. Step 3: Cross multiply
    22,812.82x = 34,279.98 × 12,290.92
  4. Step 4: Simplify right side
    22,812.82x = 421,332,491.78
  5. Step 5: Solve for x
    x = 421,332,491.78/22,812.82
  6. Step 6: Final answer
    x = 18,469.11

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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.