Home / 22,414.12-30,921.10-14,458.91

Finding the Fourth Proportional to 22,414.12, 30,921.10 and 14,458.91

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Solution

The fourth proportional to 22,414.12, 30,921.10 and 14,458.91 is: 19,946.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,414.12 : 30,921.10 = 14,458.91 : x
  2. Step 2: Convert to fraction form
    22,414.12/30,921.10 = 14,458.91/x
  3. Step 3: Cross multiply
    22,414.12x = 30,921.10 × 14,458.91
  4. Step 4: Simplify right side
    22,414.12x = 447,085,211.25
  5. Step 5: Solve for x
    x = 447,085,211.25/22,414.12
  6. Step 6: Final answer
    x = 19,946.59

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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.