Home / 26,619.67-39,917.81-9,968.02

Finding the Fourth Proportional to 26,619.67, 39,917.81 and 9,968.02

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Solution

The fourth proportional to 26,619.67, 39,917.81 and 9,968.02 is: 14,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.67 : 39,917.81 = 9,968.02 : x
  2. Step 2: Convert to fraction form
    26,619.67/39,917.81 = 9,968.02/x
  3. Step 3: Cross multiply
    26,619.67x = 39,917.81 × 9,968.02
  4. Step 4: Simplify right side
    26,619.67x = 397,901,453.56
  5. Step 5: Solve for x
    x = 397,901,453.56/26,619.67
  6. Step 6: Final answer
    x = 14,947.65

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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.