Home / 19,691.94-27,175.39-10,739.82

Finding the Fourth Proportional to 19,691.94, 27,175.39 and 10,739.82

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Solution

The fourth proportional to 19,691.94, 27,175.39 and 10,739.82 is: 14,821.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.94 : 27,175.39 = 10,739.82 : x
  2. Step 2: Convert to fraction form
    19,691.94/27,175.39 = 10,739.82/x
  3. Step 3: Cross multiply
    19,691.94x = 27,175.39 × 10,739.82
  4. Step 4: Simplify right side
    19,691.94x = 291,858,797.03
  5. Step 5: Solve for x
    x = 291,858,797.03/19,691.94
  6. Step 6: Final answer
    x = 14,821.23

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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.