Home / 15,413.77-23,120.72-3,726.97

Finding the Fourth Proportional to 15,413.77, 23,120.72 and 3,726.97

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Solution

The fourth proportional to 15,413.77, 23,120.72 and 3,726.97 is: 5,590.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.77 : 23,120.72 = 3,726.97 : x
  2. Step 2: Convert to fraction form
    15,413.77/23,120.72 = 3,726.97/x
  3. Step 3: Cross multiply
    15,413.77x = 23,120.72 × 3,726.97
  4. Step 4: Simplify right side
    15,413.77x = 86,170,229.82
  5. Step 5: Solve for x
    x = 86,170,229.82/15,413.77
  6. Step 6: Final answer
    x = 5,590.47

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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.