Home / 12,732.90-19,105.08-6,882.66

Finding the Fourth Proportional to 12,732.90, 19,105.08 and 6,882.66

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Solution

The fourth proportional to 12,732.90, 19,105.08 and 6,882.66 is: 10,327.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732.90 : 19,105.08 = 6,882.66 : x
  2. Step 2: Convert to fraction form
    12,732.90/19,105.08 = 6,882.66/x
  3. Step 3: Cross multiply
    12,732.90x = 19,105.08 × 6,882.66
  4. Step 4: Simplify right side
    12,732.90x = 131,493,769.91
  5. Step 5: Solve for x
    x = 131,493,769.91/12,732.90
  6. Step 6: Final answer
    x = 10,327.09

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1.5x scale

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.