Home / 14,945.73-20,625.17-8,231.03

Finding the Fourth Proportional to 14,945.73, 20,625.17 and 8,231.03

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Solution

The fourth proportional to 14,945.73, 20,625.17 and 8,231.03 is: 11,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.73 : 20,625.17 = 8,231.03 : x
  2. Step 2: Convert to fraction form
    14,945.73/20,625.17 = 8,231.03/x
  3. Step 3: Cross multiply
    14,945.73x = 20,625.17 × 8,231.03
  4. Step 4: Simplify right side
    14,945.73x = 169,766,393.03
  5. Step 5: Solve for x
    x = 169,766,393.03/14,945.73
  6. Step 6: Final answer
    x = 11,358.86

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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.