Home / 18,616.23-27,930.42-5,468.72

Finding the Fourth Proportional to 18,616.23, 27,930.42 and 5,468.72

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Solution

The fourth proportional to 18,616.23, 27,930.42 and 5,468.72 is: 8,204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,616.23 : 27,930.42 = 5,468.72 : x
  2. Step 2: Convert to fraction form
    18,616.23/27,930.42 = 5,468.72/x
  3. Step 3: Cross multiply
    18,616.23x = 27,930.42 × 5,468.72
  4. Step 4: Simplify right side
    18,616.23x = 152,743,506.81
  5. Step 5: Solve for x
    x = 152,743,506.81/18,616.23
  6. Step 6: Final answer
    x = 8,204.86

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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.