Home / 22,112.18-30,514.97-12,040.64

Finding the Fourth Proportional to 22,112.18, 30,514.97 and 12,040.64

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Solution

The fourth proportional to 22,112.18, 30,514.97 and 12,040.64 is: 16,616.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,112.18 : 30,514.97 = 12,040.64 : x
  2. Step 2: Convert to fraction form
    22,112.18/30,514.97 = 12,040.64/x
  3. Step 3: Cross multiply
    22,112.18x = 30,514.97 × 12,040.64
  4. Step 4: Simplify right side
    22,112.18x = 367,419,768.38
  5. Step 5: Solve for x
    x = 367,419,768.38/22,112.18
  6. Step 6: Final answer
    x = 16,616.17

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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.