Home / 17,679.75-26,519.67-5,367.75

Finding the Fourth Proportional to 17,679.75, 26,519.67 and 5,367.75

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Solution

The fourth proportional to 17,679.75, 26,519.67 and 5,367.75 is: 8,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679.75 : 26,519.67 = 5,367.75 : x
  2. Step 2: Convert to fraction form
    17,679.75/26,519.67 = 5,367.75/x
  3. Step 3: Cross multiply
    17,679.75x = 26,519.67 × 5,367.75
  4. Step 4: Simplify right side
    17,679.75x = 142,350,958.64
  5. Step 5: Solve for x
    x = 142,350,958.64/17,679.75
  6. Step 6: Final answer
    x = 8,051.64

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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.