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Finding the Fourth Proportional to 14,694.48, 22,007.16 and 12,229.20

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Solution

The fourth proportional to 14,694.48, 22,007.16 and 12,229.20 is: 18,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,694.48 : 22,007.16 = 12,229.20 : x
  2. Step 2: Convert to fraction form
    14,694.48/22,007.16 = 12,229.20/x
  3. Step 3: Cross multiply
    14,694.48x = 22,007.16 × 12,229.20
  4. Step 4: Simplify right side
    14,694.48x = 269,129,961.07
  5. Step 5: Solve for x
    x = 269,129,961.07/14,694.48
  6. Step 6: Final answer
    x = 18,315.04

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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.