Home / 18,558.67-27,839.60-6,078.65

Finding the Fourth Proportional to 18,558.67, 27,839.60 and 6,078.65

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Solution

The fourth proportional to 18,558.67, 27,839.60 and 6,078.65 is: 9,118.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.67 : 27,839.60 = 6,078.65 : x
  2. Step 2: Convert to fraction form
    18,558.67/27,839.60 = 6,078.65/x
  3. Step 3: Cross multiply
    18,558.67x = 27,839.60 × 6,078.65
  4. Step 4: Simplify right side
    18,558.67x = 169,227,037.74
  5. Step 5: Solve for x
    x = 169,227,037.74/18,558.67
  6. Step 6: Final answer
    x = 9,118.49

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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.