Home / 26,626.18-39,932.42-7,901.78

Finding the Fourth Proportional to 26,626.18, 39,932.42 and 7,901.78

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Solution

The fourth proportional to 26,626.18, 39,932.42 and 7,901.78 is: 11,850.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,626.18 : 39,932.42 = 7,901.78 : x
  2. Step 2: Convert to fraction form
    26,626.18/39,932.42 = 7,901.78/x
  3. Step 3: Cross multiply
    26,626.18x = 39,932.42 × 7,901.78
  4. Step 4: Simplify right side
    26,626.18x = 315,537,197.71
  5. Step 5: Solve for x
    x = 315,537,197.71/26,626.18
  6. Step 6: Final answer
    x = 11,850.64

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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.