Home / 17,171.98-23,704.62-11,208.76

Finding the Fourth Proportional to 17,171.98, 23,704.62 and 11,208.76

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Solution

The fourth proportional to 17,171.98, 23,704.62 and 11,208.76 is: 15,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,171.98 : 23,704.62 = 11,208.76 : x
  2. Step 2: Convert to fraction form
    17,171.98/23,704.62 = 11,208.76/x
  3. Step 3: Cross multiply
    17,171.98x = 23,704.62 × 11,208.76
  4. Step 4: Simplify right side
    17,171.98x = 265,699,396.47
  5. Step 5: Solve for x
    x = 265,699,396.47/17,171.98
  6. Step 6: Final answer
    x = 15,472.85

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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.