Home / 18,371.77-27,557.97-5,224.49

Finding the Fourth Proportional to 18,371.77, 27,557.97 and 5,224.49

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Solution

The fourth proportional to 18,371.77, 27,557.97 and 5,224.49 is: 7,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,371.77 : 27,557.97 = 5,224.49 : x
  2. Step 2: Convert to fraction form
    18,371.77/27,557.97 = 5,224.49/x
  3. Step 3: Cross multiply
    18,371.77x = 27,557.97 × 5,224.49
  4. Step 4: Simplify right side
    18,371.77x = 143,976,338.69
  5. Step 5: Solve for x
    x = 143,976,338.69/18,371.77
  6. Step 6: Final answer
    x = 7,836.82

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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.