Home / 18,974.43-26,195.19-11,422.62

Finding the Fourth Proportional to 18,974.43, 26,195.19 and 11,422.62

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Solution

The fourth proportional to 18,974.43, 26,195.19 and 11,422.62 is: 15,769.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.43 : 26,195.19 = 11,422.62 : x
  2. Step 2: Convert to fraction form
    18,974.43/26,195.19 = 11,422.62/x
  3. Step 3: Cross multiply
    18,974.43x = 26,195.19 × 11,422.62
  4. Step 4: Simplify right side
    18,974.43x = 299,217,701.20
  5. Step 5: Solve for x
    x = 299,217,701.20/18,974.43
  6. Step 6: Final answer
    x = 15,769.52

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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.