Home / 19,399.26-26,774.20-11,443.44

Finding the Fourth Proportional to 19,399.26, 26,774.20 and 11,443.44

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Solution

The fourth proportional to 19,399.26, 26,774.20 and 11,443.44 is: 15,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399.26 : 26,774.20 = 11,443.44 : x
  2. Step 2: Convert to fraction form
    19,399.26/26,774.20 = 11,443.44/x
  3. Step 3: Cross multiply
    19,399.26x = 26,774.20 × 11,443.44
  4. Step 4: Simplify right side
    19,399.26x = 306,388,951.25
  5. Step 5: Solve for x
    x = 306,388,951.25/19,399.26
  6. Step 6: Final answer
    x = 15,793.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.