Home / 26,090.73-35,991.42-18,540.11

Finding the Fourth Proportional to 26,090.73, 35,991.42 and 18,540.11

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Solution

The fourth proportional to 26,090.73, 35,991.42 and 18,540.11 is: 25,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,090.73 : 35,991.42 = 18,540.11 : x
  2. Step 2: Convert to fraction form
    26,090.73/35,991.42 = 18,540.11/x
  3. Step 3: Cross multiply
    26,090.73x = 35,991.42 × 18,540.11
  4. Step 4: Simplify right side
    26,090.73x = 667,284,885.86
  5. Step 5: Solve for x
    x = 667,284,885.86/26,090.73
  6. Step 6: Final answer
    x = 25,575.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.