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Finding the Fourth Proportional to 14,495.64, 20,001.24 and 13,757.46

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Solution

The fourth proportional to 14,495.64, 20,001.24 and 13,757.46 is: 18,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.64 : 20,001.24 = 13,757.46 : x
  2. Step 2: Convert to fraction form
    14,495.64/20,001.24 = 13,757.46/x
  3. Step 3: Cross multiply
    14,495.64x = 20,001.24 × 13,757.46
  4. Step 4: Simplify right side
    14,495.64x = 275,166,259.25
  5. Step 5: Solve for x
    x = 275,166,259.25/14,495.64
  6. Step 6: Final answer
    x = 18,982.69

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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.