Home / 22,243.97-30,696.68-12,172.41

Finding the Fourth Proportional to 22,243.97, 30,696.68 and 12,172.41

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Solution

The fourth proportional to 22,243.97, 30,696.68 and 12,172.41 is: 16,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,243.97 : 30,696.68 = 12,172.41 : x
  2. Step 2: Convert to fraction form
    22,243.97/30,696.68 = 12,172.41/x
  3. Step 3: Cross multiply
    22,243.97x = 30,696.68 × 12,172.41
  4. Step 4: Simplify right side
    22,243.97x = 373,652,503.98
  5. Step 5: Solve for x
    x = 373,652,503.98/22,243.97
  6. Step 6: Final answer
    x = 16,797.93

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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.