Home / 19,481.27-26,881.88-10,982.75

Finding the Fourth Proportional to 19,481.27, 26,881.88 and 10,982.75

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Solution

The fourth proportional to 19,481.27, 26,881.88 and 10,982.75 is: 15,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.27 : 26,881.88 = 10,982.75 : x
  2. Step 2: Convert to fraction form
    19,481.27/26,881.88 = 10,982.75/x
  3. Step 3: Cross multiply
    19,481.27x = 26,881.88 × 10,982.75
  4. Step 4: Simplify right side
    19,481.27x = 295,236,778.25
  5. Step 5: Solve for x
    x = 295,236,778.25/19,481.27
  6. Step 6: Final answer
    x = 15,154.91

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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.