Home / 18,579.97-27,869.84-4,540.07

Finding the Fourth Proportional to 18,579.97, 27,869.84 and 4,540.07

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Solution

The fourth proportional to 18,579.97, 27,869.84 and 4,540.07 is: 6,810.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.97 : 27,869.84 = 4,540.07 : x
  2. Step 2: Convert to fraction form
    18,579.97/27,869.84 = 4,540.07/x
  3. Step 3: Cross multiply
    18,579.97x = 27,869.84 × 4,540.07
  4. Step 4: Simplify right side
    18,579.97x = 126,530,957.26
  5. Step 5: Solve for x
    x = 126,530,957.26/18,579.97
  6. Step 6: Final answer
    x = 6,810.07

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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.