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Finding the Fourth Proportional to 14,757.53, 20,365.49 and 8,043.14

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Solution

The fourth proportional to 14,757.53, 20,365.49 and 8,043.14 is: 11,099.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757.53 : 20,365.49 = 8,043.14 : x
  2. Step 2: Convert to fraction form
    14,757.53/20,365.49 = 8,043.14/x
  3. Step 3: Cross multiply
    14,757.53x = 20,365.49 × 8,043.14
  4. Step 4: Simplify right side
    14,757.53x = 163,802,487.24
  5. Step 5: Solve for x
    x = 163,802,487.24/14,757.53
  6. Step 6: Final answer
    x = 11,099.59

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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.