Home / 26,631.24-39,939.94-7,906.87

Finding the Fourth Proportional to 26,631.24, 39,939.94 and 7,906.87

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Solution

The fourth proportional to 26,631.24, 39,939.94 and 7,906.87 is: 11,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.24 : 39,939.94 = 7,906.87 : x
  2. Step 2: Convert to fraction form
    26,631.24/39,939.94 = 7,906.87/x
  3. Step 3: Cross multiply
    26,631.24x = 39,939.94 × 7,906.87
  4. Step 4: Simplify right side
    26,631.24x = 315,799,913.39
  5. Step 5: Solve for x
    x = 315,799,913.39/26,631.24
  6. Step 6: Final answer
    x = 11,858.25

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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.