Home / 22,981.98-34,442.22-12,286.38

Finding the Fourth Proportional to 22,981.98, 34,442.22 and 12,286.38

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Solution

The fourth proportional to 22,981.98, 34,442.22 and 12,286.38 is: 18,413.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,981.98 : 34,442.22 = 12,286.38 : x
  2. Step 2: Convert to fraction form
    22,981.98/34,442.22 = 12,286.38/x
  3. Step 3: Cross multiply
    22,981.98x = 34,442.22 × 12,286.38
  4. Step 4: Simplify right side
    22,981.98x = 423,170,202.96
  5. Step 5: Solve for x
    x = 423,170,202.96/22,981.98
  6. Step 6: Final answer
    x = 18,413.13

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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.