Home / 21,198.39-29,252.44-12,244.44

Finding the Fourth Proportional to 21,198.39, 29,252.44 and 12,244.44

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Solution

The fourth proportional to 21,198.39, 29,252.44 and 12,244.44 is: 16,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,198.39 : 29,252.44 = 12,244.44 : x
  2. Step 2: Convert to fraction form
    21,198.39/29,252.44 = 12,244.44/x
  3. Step 3: Cross multiply
    21,198.39x = 29,252.44 × 12,244.44
  4. Step 4: Simplify right side
    21,198.39x = 358,179,746.43
  5. Step 5: Solve for x
    x = 358,179,746.43/21,198.39
  6. Step 6: Final answer
    x = 16,896.55

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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.