Home / 28,413.33-39,205.94-16,474.20

Finding the Fourth Proportional to 28,413.33, 39,205.94 and 16,474.20

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Solution

The fourth proportional to 28,413.33, 39,205.94 and 16,474.20 is: 22,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,413.33 : 39,205.94 = 16,474.20 : x
  2. Step 2: Convert to fraction form
    28,413.33/39,205.94 = 16,474.20/x
  3. Step 3: Cross multiply
    28,413.33x = 39,205.94 × 16,474.20
  4. Step 4: Simplify right side
    28,413.33x = 645,886,414.38
  5. Step 5: Solve for x
    x = 645,886,414.38/28,413.33
  6. Step 6: Final answer
    x = 22,731.81

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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.