Home / 14,440.97-19,920.22-8,694.42

Finding the Fourth Proportional to 14,440.97, 19,920.22 and 8,694.42

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Solution

The fourth proportional to 14,440.97, 19,920.22 and 8,694.42 is: 11,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.97 : 19,920.22 = 8,694.42 : x
  2. Step 2: Convert to fraction form
    14,440.97/19,920.22 = 8,694.42/x
  3. Step 3: Cross multiply
    14,440.97x = 19,920.22 × 8,694.42
  4. Step 4: Simplify right side
    14,440.97x = 173,194,759.17
  5. Step 5: Solve for x
    x = 173,194,759.17/14,440.97
  6. Step 6: Final answer
    x = 11,993.29

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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.