Home / 17,021.44-25,383.20-16,865.92

Finding the Fourth Proportional to 17,021.44, 25,383.20 and 16,865.92

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Solution

The fourth proportional to 17,021.44, 25,383.20 and 16,865.92 is: 25,151.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021.44 : 25,383.20 = 16,865.92 : x
  2. Step 2: Convert to fraction form
    17,021.44/25,383.20 = 16,865.92/x
  3. Step 3: Cross multiply
    17,021.44x = 25,383.20 × 16,865.92
  4. Step 4: Simplify right side
    17,021.44x = 428,111,020.54
  5. Step 5: Solve for x
    x = 428,111,020.54/17,021.44
  6. Step 6: Final answer
    x = 25,151.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.