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Finding the Fourth Proportional to 14,893.97, 20,553.62 and 8,180.03

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Solution

The fourth proportional to 14,893.97, 20,553.62 and 8,180.03 is: 11,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,893.97 : 20,553.62 = 8,180.03 : x
  2. Step 2: Convert to fraction form
    14,893.97/20,553.62 = 8,180.03/x
  3. Step 3: Cross multiply
    14,893.97x = 20,553.62 × 8,180.03
  4. Step 4: Simplify right side
    14,893.97x = 168,129,300.04
  5. Step 5: Solve for x
    x = 168,129,300.04/14,893.97
  6. Step 6: Final answer
    x = 11,288.42

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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.