Home / 26,629.70-39,945.56-8,861.94

Finding the Fourth Proportional to 26,629.70, 39,945.56 and 8,861.94

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Solution

The fourth proportional to 26,629.70, 39,945.56 and 8,861.94 is: 13,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,629.70 : 39,945.56 = 8,861.94 : x
  2. Step 2: Convert to fraction form
    26,629.70/39,945.56 = 8,861.94/x
  3. Step 3: Cross multiply
    26,629.70x = 39,945.56 × 8,861.94
  4. Step 4: Simplify right side
    26,629.70x = 353,995,111.68
  5. Step 5: Solve for x
    x = 353,995,111.68/26,629.70
  6. Step 6: Final answer
    x = 13,293.25

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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.