Home / 18,180.96-27,270.48-5,868

Finding the Fourth Proportional to 18,180.96, 27,270.48 and 5,868

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Solution

The fourth proportional to 18,180.96, 27,270.48 and 5,868 is: 8,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.96 : 27,270.48 = 5,868 : x
  2. Step 2: Convert to fraction form
    18,180.96/27,270.48 = 5,868/x
  3. Step 3: Cross multiply
    18,180.96x = 27,270.48 × 5,868
  4. Step 4: Simplify right side
    18,180.96x = 160,023,176.64
  5. Step 5: Solve for x
    x = 160,023,176.64/18,180.96
  6. Step 6: Final answer
    x = 8,801.69

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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.