Home / 18,552.66-27,778.77-13,584.66

Finding the Fourth Proportional to 18,552.66, 27,778.77 and 13,584.66

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Solution

The fourth proportional to 18,552.66, 27,778.77 and 13,584.66 is: 20,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.66 : 27,778.77 = 13,584.66 : x
  2. Step 2: Convert to fraction form
    18,552.66/27,778.77 = 13,584.66/x
  3. Step 3: Cross multiply
    18,552.66x = 27,778.77 × 13,584.66
  4. Step 4: Simplify right side
    18,552.66x = 377,365,145.67
  5. Step 5: Solve for x
    x = 377,365,145.67/18,552.66
  6. Step 6: Final answer
    x = 20,340.22

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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.