Home / 22,414.11-30,930.36-12,342.30

Finding the Fourth Proportional to 22,414.11, 30,930.36 and 12,342.30

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Solution

The fourth proportional to 22,414.11, 30,930.36 and 12,342.30 is: 17,031.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,414.11 : 30,930.36 = 12,342.30 : x
  2. Step 2: Convert to fraction form
    22,414.11/30,930.36 = 12,342.30/x
  3. Step 3: Cross multiply
    22,414.11x = 30,930.36 × 12,342.30
  4. Step 4: Simplify right side
    22,414.11x = 381,751,782.23
  5. Step 5: Solve for x
    x = 381,751,782.23/22,414.11
  6. Step 6: Final answer
    x = 17,031.76

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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.