Home / 18,221.22-25,144.83-10,262.97

Finding the Fourth Proportional to 18,221.22, 25,144.83 and 10,262.97

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Solution

The fourth proportional to 18,221.22, 25,144.83 and 10,262.97 is: 14,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.22 : 25,144.83 = 10,262.97 : x
  2. Step 2: Convert to fraction form
    18,221.22/25,144.83 = 10,262.97/x
  3. Step 3: Cross multiply
    18,221.22x = 25,144.83 × 10,262.97
  4. Step 4: Simplify right side
    18,221.22x = 258,060,635.95
  5. Step 5: Solve for x
    x = 258,060,635.95/18,221.22
  6. Step 6: Final answer
    x = 14,162.64

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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.