Home / 18,072.94-27,117.60-10,691.82

Finding the Fourth Proportional to 18,072.94, 27,117.60 and 10,691.82

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Solution

The fourth proportional to 18,072.94, 27,117.60 and 10,691.82 is: 16,042.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.94 : 27,117.60 = 10,691.82 : x
  2. Step 2: Convert to fraction form
    18,072.94/27,117.60 = 10,691.82/x
  3. Step 3: Cross multiply
    18,072.94x = 27,117.60 × 10,691.82
  4. Step 4: Simplify right side
    18,072.94x = 289,936,498.03
  5. Step 5: Solve for x
    x = 289,936,498.03/18,072.94
  6. Step 6: Final answer
    x = 16,042.58

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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.