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Finding the Fourth Proportional to 14,771.97, 22,146.43 and 7,372.71

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Solution

The fourth proportional to 14,771.97, 22,146.43 and 7,372.71 is: 11,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.97 : 22,146.43 = 7,372.71 : x
  2. Step 2: Convert to fraction form
    14,771.97/22,146.43 = 7,372.71/x
  3. Step 3: Cross multiply
    14,771.97x = 22,146.43 × 7,372.71
  4. Step 4: Simplify right side
    14,771.97x = 163,279,205.93
  5. Step 5: Solve for x
    x = 163,279,205.93/14,771.97
  6. Step 6: Final answer
    x = 11,053.31

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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.