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Finding the Fourth Proportional to 14,481.37, 19,983.88 and 8,512.68

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Solution

The fourth proportional to 14,481.37, 19,983.88 and 8,512.68 is: 11,747.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481.37 : 19,983.88 = 8,512.68 : x
  2. Step 2: Convert to fraction form
    14,481.37/19,983.88 = 8,512.68/x
  3. Step 3: Cross multiply
    14,481.37x = 19,983.88 × 8,512.68
  4. Step 4: Simplify right side
    14,481.37x = 170,116,375.60
  5. Step 5: Solve for x
    x = 170,116,375.60/14,481.37
  6. Step 6: Final answer
    x = 11,747.26

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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.