Home / 18,633.18-27,949.12-5,306.26

Finding the Fourth Proportional to 18,633.18, 27,949.12 and 5,306.26

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Solution

The fourth proportional to 18,633.18, 27,949.12 and 5,306.26 is: 7,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.18 : 27,949.12 = 5,306.26 : x
  2. Step 2: Convert to fraction form
    18,633.18/27,949.12 = 5,306.26/x
  3. Step 3: Cross multiply
    18,633.18x = 27,949.12 × 5,306.26
  4. Step 4: Simplify right side
    18,633.18x = 148,305,227.62
  5. Step 5: Solve for x
    x = 148,305,227.62/18,633.18
  6. Step 6: Final answer
    x = 7,959.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.