Home / 20,759.54-31,139.43-17,096.66

Finding the Fourth Proportional to 20,759.54, 31,139.43 and 17,096.66

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Solution

The fourth proportional to 20,759.54, 31,139.43 and 17,096.66 is: 25,645.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,759.54 : 31,139.43 = 17,096.66 : x
  2. Step 2: Convert to fraction form
    20,759.54/31,139.43 = 17,096.66/x
  3. Step 3: Cross multiply
    20,759.54x = 31,139.43 × 17,096.66
  4. Step 4: Simplify right side
    20,759.54x = 532,380,247.30
  5. Step 5: Solve for x
    x = 532,380,247.30/20,759.54
  6. Step 6: Final answer
    x = 25,645.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.