Home / 17,889.09-24,691.76-11,170.68

Finding the Fourth Proportional to 17,889.09, 24,691.76 and 11,170.68

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Solution

The fourth proportional to 17,889.09, 24,691.76 and 11,170.68 is: 15,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,889.09 : 24,691.76 = 11,170.68 : x
  2. Step 2: Convert to fraction form
    17,889.09/24,691.76 = 11,170.68/x
  3. Step 3: Cross multiply
    17,889.09x = 24,691.76 × 11,170.68
  4. Step 4: Simplify right side
    17,889.09x = 275,823,749.60
  5. Step 5: Solve for x
    x = 275,823,749.60/17,889.09
  6. Step 6: Final answer
    x = 15,418.55

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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.