Home / 18,942.19-26,139.98-10,444.61

Finding the Fourth Proportional to 18,942.19, 26,139.98 and 10,444.61

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Solution

The fourth proportional to 18,942.19, 26,139.98 and 10,444.61 is: 14,413.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.19 : 26,139.98 = 10,444.61 : x
  2. Step 2: Convert to fraction form
    18,942.19/26,139.98 = 10,444.61/x
  3. Step 3: Cross multiply
    18,942.19x = 26,139.98 × 10,444.61
  4. Step 4: Simplify right side
    18,942.19x = 273,021,987.97
  5. Step 5: Solve for x
    x = 273,021,987.97/18,942.19
  6. Step 6: Final answer
    x = 14,413.43

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.