Home / 26,425.35-39,638.75-7,704.94

Finding the Fourth Proportional to 26,425.35, 39,638.75 and 7,704.94

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Solution

The fourth proportional to 26,425.35, 39,638.75 and 7,704.94 is: 11,557.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,425.35 : 39,638.75 = 7,704.94 : x
  2. Step 2: Convert to fraction form
    26,425.35/39,638.75 = 7,704.94/x
  3. Step 3: Cross multiply
    26,425.35x = 39,638.75 × 7,704.94
  4. Step 4: Simplify right side
    26,425.35x = 305,414,190.43
  5. Step 5: Solve for x
    x = 305,414,190.43/26,425.35
  6. Step 6: Final answer
    x = 11,557.62

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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.