Home / 21,198.62-29,252.63-11,766.44

Finding the Fourth Proportional to 21,198.62, 29,252.63 and 11,766.44

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Solution

The fourth proportional to 21,198.62, 29,252.63 and 11,766.44 is: 16,236.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,198.62 : 29,252.63 = 11,766.44 : x
  2. Step 2: Convert to fraction form
    21,198.62/29,252.63 = 11,766.44/x
  3. Step 3: Cross multiply
    21,198.62x = 29,252.63 × 11,766.44
  4. Step 4: Simplify right side
    21,198.62x = 344,199,213.19
  5. Step 5: Solve for x
    x = 344,199,213.19/21,198.62
  6. Step 6: Final answer
    x = 16,236.87

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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.