Home / 15,413.62-23,120.43-3,726.84

Finding the Fourth Proportional to 15,413.62, 23,120.43 and 3,726.84

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Solution

The fourth proportional to 15,413.62, 23,120.43 and 3,726.84 is: 5,590.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.62 : 23,120.43 = 3,726.84 : x
  2. Step 2: Convert to fraction form
    15,413.62/23,120.43 = 3,726.84/x
  3. Step 3: Cross multiply
    15,413.62x = 23,120.43 × 3,726.84
  4. Step 4: Simplify right side
    15,413.62x = 86,166,143.34
  5. Step 5: Solve for x
    x = 86,166,143.34/15,413.62
  6. Step 6: Final answer
    x = 5,590.26

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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.