Home / 22,297.13-30,770.99-13,342.91

Finding the Fourth Proportional to 22,297.13, 30,770.99 and 13,342.91

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Solution

The fourth proportional to 22,297.13, 30,770.99 and 13,342.91 is: 18,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,297.13 : 30,770.99 = 13,342.91 : x
  2. Step 2: Convert to fraction form
    22,297.13/30,770.99 = 13,342.91/x
  3. Step 3: Cross multiply
    22,297.13x = 30,770.99 × 13,342.91
  4. Step 4: Simplify right side
    22,297.13x = 410,574,329.61
  5. Step 5: Solve for x
    x = 410,574,329.61/22,297.13
  6. Step 6: Final answer
    x = 18,413.78

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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.