Home / 12,996.48-19,491.26-3,635.92

Finding the Fourth Proportional to 12,996.48, 19,491.26 and 3,635.92

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Solution

The fourth proportional to 12,996.48, 19,491.26 and 3,635.92 is: 5,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.48 : 19,491.26 = 3,635.92 : x
  2. Step 2: Convert to fraction form
    12,996.48/19,491.26 = 3,635.92/x
  3. Step 3: Cross multiply
    12,996.48x = 19,491.26 × 3,635.92
  4. Step 4: Simplify right side
    12,996.48x = 70,868,546.42
  5. Step 5: Solve for x
    x = 70,868,546.42/12,996.48
  6. Step 6: Final answer
    x = 5,452.90

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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.