Home / 18,413.10-27,588.39-11,375.61

Finding the Fourth Proportional to 18,413.10, 27,588.39 and 11,375.61

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Solution

The fourth proportional to 18,413.10, 27,588.39 and 11,375.61 is: 17,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.10 : 27,588.39 = 11,375.61 : x
  2. Step 2: Convert to fraction form
    18,413.10/27,588.39 = 11,375.61/x
  3. Step 3: Cross multiply
    18,413.10x = 27,588.39 × 11,375.61
  4. Step 4: Simplify right side
    18,413.10x = 313,834,765.17
  5. Step 5: Solve for x
    x = 313,834,765.17/18,413.10
  6. Step 6: Final answer
    x = 17,044.10

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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.