Home / 26,749.44-40,123.20-10,108.80

Finding the Fourth Proportional to 26,749.44, 40,123.20 and 10,108.80

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Solution

The fourth proportional to 26,749.44, 40,123.20 and 10,108.80 is: 15,162.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,749.44 : 40,123.20 = 10,108.80 : x
  2. Step 2: Convert to fraction form
    26,749.44/40,123.20 = 10,108.80/x
  3. Step 3: Cross multiply
    26,749.44x = 40,123.20 × 10,108.80
  4. Step 4: Simplify right side
    26,749.44x = 405,597,404.16
  5. Step 5: Solve for x
    x = 405,597,404.16/26,749.44
  6. Step 6: Final answer
    x = 15,162.84

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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.