Home / 14,917.96-20,581.86-8,625.88

Finding the Fourth Proportional to 14,917.96, 20,581.86 and 8,625.88

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Solution

The fourth proportional to 14,917.96, 20,581.86 and 8,625.88 is: 11,900.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,917.96 : 20,581.86 = 8,625.88 : x
  2. Step 2: Convert to fraction form
    14,917.96/20,581.86 = 8,625.88/x
  3. Step 3: Cross multiply
    14,917.96x = 20,581.86 × 8,625.88
  4. Step 4: Simplify right side
    14,917.96x = 177,536,654.54
  5. Step 5: Solve for x
    x = 177,536,654.54/14,917.96
  6. Step 6: Final answer
    x = 11,900.87

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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.