Home / 16,122.96-22,249.62-9,408.87

Finding the Fourth Proportional to 16,122.96, 22,249.62 and 9,408.87

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Solution

The fourth proportional to 16,122.96, 22,249.62 and 9,408.87 is: 12,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,122.96 : 22,249.62 = 9,408.87 : x
  2. Step 2: Convert to fraction form
    16,122.96/22,249.62 = 9,408.87/x
  3. Step 3: Cross multiply
    16,122.96x = 22,249.62 × 9,408.87
  4. Step 4: Simplify right side
    16,122.96x = 209,343,782.13
  5. Step 5: Solve for x
    x = 209,343,782.13/16,122.96
  6. Step 6: Final answer
    x = 12,984.20

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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.