Home / 29,286.16-40,413.44-16,540.80

Finding the Fourth Proportional to 29,286.16, 40,413.44 and 16,540.80

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Solution

The fourth proportional to 29,286.16, 40,413.44 and 16,540.80 is: 22,825.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,286.16 : 40,413.44 = 16,540.80 : x
  2. Step 2: Convert to fraction form
    29,286.16/40,413.44 = 16,540.80/x
  3. Step 3: Cross multiply
    29,286.16x = 40,413.44 × 16,540.80
  4. Step 4: Simplify right side
    29,286.16x = 668,470,628.35
  5. Step 5: Solve for x
    x = 668,470,628.35/29,286.16
  6. Step 6: Final answer
    x = 22,825.48

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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.