Home / 26,204.78-39,294.38-8,668.69

Finding the Fourth Proportional to 26,204.78, 39,294.38 and 8,668.69

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Solution

The fourth proportional to 26,204.78, 39,294.38 and 8,668.69 is: 12,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,204.78 : 39,294.38 = 8,668.69 : x
  2. Step 2: Convert to fraction form
    26,204.78/39,294.38 = 8,668.69/x
  3. Step 3: Cross multiply
    26,204.78x = 39,294.38 × 8,668.69
  4. Step 4: Simplify right side
    26,204.78x = 340,630,722.40
  5. Step 5: Solve for x
    x = 340,630,722.40/26,204.78
  6. Step 6: Final answer
    x = 12,998.80

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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.