Home / 26,986.88-40,494.09-18,203.38

Finding the Fourth Proportional to 26,986.88, 40,494.09 and 18,203.38

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Solution

The fourth proportional to 26,986.88, 40,494.09 and 18,203.38 is: 27,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,986.88 : 40,494.09 = 18,203.38 : x
  2. Step 2: Convert to fraction form
    26,986.88/40,494.09 = 18,203.38/x
  3. Step 3: Cross multiply
    26,986.88x = 40,494.09 × 18,203.38
  4. Step 4: Simplify right side
    26,986.88x = 737,129,308.02
  5. Step 5: Solve for x
    x = 737,129,308.02/26,986.88
  6. Step 6: Final answer
    x = 27,314.36

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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.