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Finding the Fourth Proportional to 22,366.20, 30,866.04 and 12,295.41

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Solution

The fourth proportional to 22,366.20, 30,866.04 and 12,295.41 is: 16,968.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,366.20 : 30,866.04 = 12,295.41 : x
  2. Step 2: Convert to fraction form
    22,366.20/30,866.04 = 12,295.41/x
  3. Step 3: Cross multiply
    22,366.20x = 30,866.04 × 12,295.41
  4. Step 4: Simplify right side
    22,366.20x = 379,510,616.88
  5. Step 5: Solve for x
    x = 379,510,616.88/22,366.20
  6. Step 6: Final answer
    x = 16,968.04

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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.