Home / 18,261.86-27,408.33-7,176.30

Finding the Fourth Proportional to 18,261.86, 27,408.33 and 7,176.30

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Solution

The fourth proportional to 18,261.86, 27,408.33 and 7,176.30 is: 10,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.86 : 27,408.33 = 7,176.30 : x
  2. Step 2: Convert to fraction form
    18,261.86/27,408.33 = 7,176.30/x
  3. Step 3: Cross multiply
    18,261.86x = 27,408.33 × 7,176.30
  4. Step 4: Simplify right side
    18,261.86x = 196,690,398.58
  5. Step 5: Solve for x
    x = 196,690,398.58/18,261.86
  6. Step 6: Final answer
    x = 10,770.56

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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.