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Finding the Fourth Proportional to 22,663.74, 33,922.82 and 12,107.36

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Solution

The fourth proportional to 22,663.74, 33,922.82 and 12,107.36 is: 18,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,663.74 : 33,922.82 = 12,107.36 : x
  2. Step 2: Convert to fraction form
    22,663.74/33,922.82 = 12,107.36/x
  3. Step 3: Cross multiply
    22,663.74x = 33,922.82 × 12,107.36
  4. Step 4: Simplify right side
    22,663.74x = 410,715,563.80
  5. Step 5: Solve for x
    x = 410,715,563.80/22,663.74
  6. Step 6: Final answer
    x = 18,122.14

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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.