Home / 16,122.51-22,250.12-9,049.41

Finding the Fourth Proportional to 16,122.51, 22,250.12 and 9,049.41

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Solution

The fourth proportional to 16,122.51, 22,250.12 and 9,049.41 is: 12,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,122.51 : 22,250.12 = 9,049.41 : x
  2. Step 2: Convert to fraction form
    16,122.51/22,250.12 = 9,049.41/x
  3. Step 3: Cross multiply
    16,122.51x = 22,250.12 × 9,049.41
  4. Step 4: Simplify right side
    16,122.51x = 201,350,413.18
  5. Step 5: Solve for x
    x = 201,350,413.18/16,122.51
  6. Step 6: Final answer
    x = 12,488.78

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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.