Home / 18,578.04-27,867.49-4,538.18

Finding the Fourth Proportional to 18,578.04, 27,867.49 and 4,538.18

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Solution

The fourth proportional to 18,578.04, 27,867.49 and 4,538.18 is: 6,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578.04 : 27,867.49 = 4,538.18 : x
  2. Step 2: Convert to fraction form
    18,578.04/27,867.49 = 4,538.18/x
  3. Step 3: Cross multiply
    18,578.04x = 27,867.49 × 4,538.18
  4. Step 4: Simplify right side
    18,578.04x = 126,467,744.09
  5. Step 5: Solve for x
    x = 126,467,744.09/18,578.04
  6. Step 6: Final answer
    x = 6,807.38

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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.