Home / 26,163.18-39,246.57-8,645.31

Finding the Fourth Proportional to 26,163.18, 39,246.57 and 8,645.31

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Solution

The fourth proportional to 26,163.18, 39,246.57 and 8,645.31 is: 12,968.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,163.18 : 39,246.57 = 8,645.31 : x
  2. Step 2: Convert to fraction form
    26,163.18/39,246.57 = 8,645.31/x
  3. Step 3: Cross multiply
    26,163.18x = 39,246.57 × 8,645.31
  4. Step 4: Simplify right side
    26,163.18x = 339,298,764.09
  5. Step 5: Solve for x
    x = 339,298,764.09/26,163.18
  6. Step 6: Final answer
    x = 12,968.56

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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.