Home / 22,013.98-30,379.02-11,942.22

Finding the Fourth Proportional to 22,013.98, 30,379.02 and 11,942.22

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Solution

The fourth proportional to 22,013.98, 30,379.02 and 11,942.22 is: 16,480.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013.98 : 30,379.02 = 11,942.22 : x
  2. Step 2: Convert to fraction form
    22,013.98/30,379.02 = 11,942.22/x
  3. Step 3: Cross multiply
    22,013.98x = 30,379.02 × 11,942.22
  4. Step 4: Simplify right side
    22,013.98x = 362,792,940.22
  5. Step 5: Solve for x
    x = 362,792,940.22/22,013.98
  6. Step 6: Final answer
    x = 16,480.12

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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.