Home / 18,408.96-27,616.86-16,739.64

Finding the Fourth Proportional to 18,408.96, 27,616.86 and 16,739.64

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Solution

The fourth proportional to 18,408.96, 27,616.86 and 16,739.64 is: 25,112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.96 : 27,616.86 = 16,739.64 : x
  2. Step 2: Convert to fraction form
    18,408.96/27,616.86 = 16,739.64/x
  3. Step 3: Cross multiply
    18,408.96x = 27,616.86 × 16,739.64
  4. Step 4: Simplify right side
    18,408.96x = 462,296,294.33
  5. Step 5: Solve for x
    x = 462,296,294.33/18,408.96
  6. Step 6: Final answer
    x = 25,112.57

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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.