Home / 17,936.64-26,891.52-12,076.80

Finding the Fourth Proportional to 17,936.64, 26,891.52 and 12,076.80

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Solution

The fourth proportional to 17,936.64, 26,891.52 and 12,076.80 is: 18,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,936.64 : 26,891.52 = 12,076.80 : x
  2. Step 2: Convert to fraction form
    17,936.64/26,891.52 = 12,076.80/x
  3. Step 3: Cross multiply
    17,936.64x = 26,891.52 × 12,076.80
  4. Step 4: Simplify right side
    17,936.64x = 324,763,508.74
  5. Step 5: Solve for x
    x = 324,763,508.74/17,936.64
  6. Step 6: Final answer
    x = 18,106.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.