Home / 17,651.13-26,480.33-5,171.56

Finding the Fourth Proportional to 17,651.13, 26,480.33 and 5,171.56

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Solution

The fourth proportional to 17,651.13, 26,480.33 and 5,171.56 is: 7,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,651.13 : 26,480.33 = 5,171.56 : x
  2. Step 2: Convert to fraction form
    17,651.13/26,480.33 = 5,171.56/x
  3. Step 3: Cross multiply
    17,651.13x = 26,480.33 × 5,171.56
  4. Step 4: Simplify right side
    17,651.13x = 136,944,571.84
  5. Step 5: Solve for x
    x = 136,944,571.84/17,651.13
  6. Step 6: Final answer
    x = 7,758.40

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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.