Home / 13,514.96-18,650.14-8,481.88

Finding the Fourth Proportional to 13,514.96, 18,650.14 and 8,481.88

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Solution

The fourth proportional to 13,514.96, 18,650.14 and 8,481.88 is: 11,704.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.96 : 18,650.14 = 8,481.88 : x
  2. Step 2: Convert to fraction form
    13,514.96/18,650.14 = 8,481.88/x
  3. Step 3: Cross multiply
    13,514.96x = 18,650.14 × 8,481.88
  4. Step 4: Simplify right side
    13,514.96x = 158,188,249.46
  5. Step 5: Solve for x
    x = 158,188,249.46/13,514.96
  6. Step 6: Final answer
    x = 11,704.68

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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.