Home / 16,997.22-25,481.79-7,502.78

Finding the Fourth Proportional to 16,997.22, 25,481.79 and 7,502.78

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Solution

The fourth proportional to 16,997.22, 25,481.79 and 7,502.78 is: 11,247.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,997.22 : 25,481.79 = 7,502.78 : x
  2. Step 2: Convert to fraction form
    16,997.22/25,481.79 = 7,502.78/x
  3. Step 3: Cross multiply
    16,997.22x = 25,481.79 × 7,502.78
  4. Step 4: Simplify right side
    16,997.22x = 191,184,136.97
  5. Step 5: Solve for x
    x = 191,184,136.97/16,997.22
  6. Step 6: Final answer
    x = 11,247.97

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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.