Home / 22,144.54-30,559.28-12,072.80

Finding the Fourth Proportional to 22,144.54, 30,559.28 and 12,072.80

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Solution

The fourth proportional to 22,144.54, 30,559.28 and 12,072.80 is: 16,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144.54 : 30,559.28 = 12,072.80 : x
  2. Step 2: Convert to fraction form
    22,144.54/30,559.28 = 12,072.80/x
  3. Step 3: Cross multiply
    22,144.54x = 30,559.28 × 12,072.80
  4. Step 4: Simplify right side
    22,144.54x = 368,935,907.70
  5. Step 5: Solve for x
    x = 368,935,907.70/22,144.54
  6. Step 6: Final answer
    x = 16,660.36

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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.