Home / 26,902.60-40,359.30-8,183.80

Finding the Fourth Proportional to 26,902.60, 40,359.30 and 8,183.80

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Solution

The fourth proportional to 26,902.60, 40,359.30 and 8,183.80 is: 12,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,902.60 : 40,359.30 = 8,183.80 : x
  2. Step 2: Convert to fraction form
    26,902.60/40,359.30 = 8,183.80/x
  3. Step 3: Cross multiply
    26,902.60x = 40,359.30 × 8,183.80
  4. Step 4: Simplify right side
    26,902.60x = 330,292,439.34
  5. Step 5: Solve for x
    x = 330,292,439.34/26,902.60
  6. Step 6: Final answer
    x = 12,277.34

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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.