Home / 22,013.45-30,371.38-12,452.41

Finding the Fourth Proportional to 22,013.45, 30,371.38 and 12,452.41

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Solution

The fourth proportional to 22,013.45, 30,371.38 and 12,452.41 is: 17,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013.45 : 30,371.38 = 12,452.41 : x
  2. Step 2: Convert to fraction form
    22,013.45/30,371.38 = 12,452.41/x
  3. Step 3: Cross multiply
    22,013.45x = 30,371.38 × 12,452.41
  4. Step 4: Simplify right side
    22,013.45x = 378,196,832.46
  5. Step 5: Solve for x
    x = 378,196,832.46/22,013.45
  6. Step 6: Final answer
    x = 17,180.26

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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.