Home / 26,241.28-39,355.20-7,768.96

Finding the Fourth Proportional to 26,241.28, 39,355.20 and 7,768.96

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Solution

The fourth proportional to 26,241.28, 39,355.20 and 7,768.96 is: 11,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,241.28 : 39,355.20 = 7,768.96 : x
  2. Step 2: Convert to fraction form
    26,241.28/39,355.20 = 7,768.96/x
  3. Step 3: Cross multiply
    26,241.28x = 39,355.20 × 7,768.96
  4. Step 4: Simplify right side
    26,241.28x = 305,748,974.59
  5. Step 5: Solve for x
    x = 305,748,974.59/26,241.28
  6. Step 6: Final answer
    x = 11,651.45

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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.