Home / 14,660.22-20,231.17-7,945.83

Finding the Fourth Proportional to 14,660.22, 20,231.17 and 7,945.83

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Solution

The fourth proportional to 14,660.22, 20,231.17 and 7,945.83 is: 10,965.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.22 : 20,231.17 = 7,945.83 : x
  2. Step 2: Convert to fraction form
    14,660.22/20,231.17 = 7,945.83/x
  3. Step 3: Cross multiply
    14,660.22x = 20,231.17 × 7,945.83
  4. Step 4: Simplify right side
    14,660.22x = 160,753,417.66
  5. Step 5: Solve for x
    x = 160,753,417.66/14,660.22
  6. Step 6: Final answer
    x = 10,965.28

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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.