Home / 18,518.44-27,797.18-18,100.52

Finding the Fourth Proportional to 18,518.44, 27,797.18 and 18,100.52

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Solution

The fourth proportional to 18,518.44, 27,797.18 and 18,100.52 is: 27,169.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,518.44 : 27,797.18 = 18,100.52 : x
  2. Step 2: Convert to fraction form
    18,518.44/27,797.18 = 18,100.52/x
  3. Step 3: Cross multiply
    18,518.44x = 27,797.18 × 18,100.52
  4. Step 4: Simplify right side
    18,518.44x = 503,143,412.53
  5. Step 5: Solve for x
    x = 503,143,412.53/18,518.44
  6. Step 6: Final answer
    x = 27,169.86

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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.