Home / 19,481.52-26,884.32-11,940.96

Finding the Fourth Proportional to 19,481.52, 26,884.32 and 11,940.96

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Solution

The fourth proportional to 19,481.52, 26,884.32 and 11,940.96 is: 16,478.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.52 : 26,884.32 = 11,940.96 : x
  2. Step 2: Convert to fraction form
    19,481.52/26,884.32 = 11,940.96/x
  3. Step 3: Cross multiply
    19,481.52x = 26,884.32 × 11,940.96
  4. Step 4: Simplify right side
    19,481.52x = 321,024,589.75
  5. Step 5: Solve for x
    x = 321,024,589.75/19,481.52
  6. Step 6: Final answer
    x = 16,478.42

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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.