Home / 17,679.18-26,511.83-6,579.80

Finding the Fourth Proportional to 17,679.18, 26,511.83 and 6,579.80

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Solution

The fourth proportional to 17,679.18, 26,511.83 and 6,579.80 is: 9,867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679.18 : 26,511.83 = 6,579.80 : x
  2. Step 2: Convert to fraction form
    17,679.18/26,511.83 = 6,579.80/x
  3. Step 3: Cross multiply
    17,679.18x = 26,511.83 × 6,579.80
  4. Step 4: Simplify right side
    17,679.18x = 174,442,373.58
  5. Step 5: Solve for x
    x = 174,442,373.58/17,679.18
  6. Step 6: Final answer
    x = 9,867.11

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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.