Home / 17,728.36-26,584.26-9,418.12

Finding the Fourth Proportional to 17,728.36, 26,584.26 and 9,418.12

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Solution

The fourth proportional to 17,728.36, 26,584.26 and 9,418.12 is: 14,122.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,728.36 : 26,584.26 = 9,418.12 : x
  2. Step 2: Convert to fraction form
    17,728.36/26,584.26 = 9,418.12/x
  3. Step 3: Cross multiply
    17,728.36x = 26,584.26 × 9,418.12
  4. Step 4: Simplify right side
    17,728.36x = 250,373,750.79
  5. Step 5: Solve for x
    x = 250,373,750.79/17,728.36
  6. Step 6: Final answer
    x = 14,122.78

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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.