Home / 13,773.74-20,660.22-4,413.38

Finding the Fourth Proportional to 13,773.74, 20,660.22 and 4,413.38

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Solution

The fourth proportional to 13,773.74, 20,660.22 and 4,413.38 is: 6,619.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.74 : 20,660.22 = 4,413.38 : x
  2. Step 2: Convert to fraction form
    13,773.74/20,660.22 = 4,413.38/x
  3. Step 3: Cross multiply
    13,773.74x = 20,660.22 × 4,413.38
  4. Step 4: Simplify right side
    13,773.74x = 91,181,298.44
  5. Step 5: Solve for x
    x = 91,181,298.44/13,773.74
  6. Step 6: Final answer
    x = 6,619.94

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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.