Home / 26,174.88-39,268.08-12,339.36

Finding the Fourth Proportional to 26,174.88, 39,268.08 and 12,339.36

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Solution

The fourth proportional to 26,174.88, 39,268.08 and 12,339.36 is: 18,511.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,174.88 : 39,268.08 = 12,339.36 : x
  2. Step 2: Convert to fraction form
    26,174.88/39,268.08 = 12,339.36/x
  3. Step 3: Cross multiply
    26,174.88x = 39,268.08 × 12,339.36
  4. Step 4: Simplify right side
    26,174.88x = 484,542,975.63
  5. Step 5: Solve for x
    x = 484,542,975.63/26,174.88
  6. Step 6: Final answer
    x = 18,511.76

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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.