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Finding the Fourth Proportional to 14,614.75, 21,922.13 and 8,370.44

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Solution

The fourth proportional to 14,614.75, 21,922.13 and 8,370.44 is: 12,555.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.75 : 21,922.13 = 8,370.44 : x
  2. Step 2: Convert to fraction form
    14,614.75/21,922.13 = 8,370.44/x
  3. Step 3: Cross multiply
    14,614.75x = 21,922.13 × 8,370.44
  4. Step 4: Simplify right side
    14,614.75x = 183,497,855.59
  5. Step 5: Solve for x
    x = 183,497,855.59/14,614.75
  6. Step 6: Final answer
    x = 12,555.66

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Similar ratio
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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.