Home / 17,690.22-26,520.30-7,687.44

Finding the Fourth Proportional to 17,690.22, 26,520.30 and 7,687.44

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Solution

The fourth proportional to 17,690.22, 26,520.30 and 7,687.44 is: 11,524.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.22 : 26,520.30 = 7,687.44 : x
  2. Step 2: Convert to fraction form
    17,690.22/26,520.30 = 7,687.44/x
  3. Step 3: Cross multiply
    17,690.22x = 26,520.30 × 7,687.44
  4. Step 4: Simplify right side
    17,690.22x = 203,873,215.03
  5. Step 5: Solve for x
    x = 203,873,215.03/17,690.22
  6. Step 6: Final answer
    x = 11,524.63

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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.