Home / 26,620.40-39,923.78-7,896.06

Finding the Fourth Proportional to 26,620.40, 39,923.78 and 7,896.06

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Solution

The fourth proportional to 26,620.40, 39,923.78 and 7,896.06 is: 11,842.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,620.40 : 39,923.78 = 7,896.06 : x
  2. Step 2: Convert to fraction form
    26,620.40/39,923.78 = 7,896.06/x
  3. Step 3: Cross multiply
    26,620.40x = 39,923.78 × 7,896.06
  4. Step 4: Simplify right side
    26,620.40x = 315,240,562.31
  5. Step 5: Solve for x
    x = 315,240,562.31/26,620.40
  6. Step 6: Final answer
    x = 11,842.07

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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.