Home / 28,183.64-38,884.59-16,245.38

Finding the Fourth Proportional to 28,183.64, 38,884.59 and 16,245.38

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Solution

The fourth proportional to 28,183.64, 38,884.59 and 16,245.38 is: 22,413.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.64 : 38,884.59 = 16,245.38 : x
  2. Step 2: Convert to fraction form
    28,183.64/38,884.59 = 16,245.38/x
  3. Step 3: Cross multiply
    28,183.64x = 38,884.59 × 16,245.38
  4. Step 4: Simplify right side
    28,183.64x = 631,694,940.69
  5. Step 5: Solve for x
    x = 631,694,940.69/28,183.64
  6. Step 6: Final answer
    x = 22,413.53

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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.