Home / 22,321.24-30,802.24-12,249.44

Finding the Fourth Proportional to 22,321.24, 30,802.24 and 12,249.44

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Solution

The fourth proportional to 22,321.24, 30,802.24 and 12,249.44 is: 16,903.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,321.24 : 30,802.24 = 12,249.44 : x
  2. Step 2: Convert to fraction form
    22,321.24/30,802.24 = 12,249.44/x
  3. Step 3: Cross multiply
    22,321.24x = 30,802.24 × 12,249.44
  4. Step 4: Simplify right side
    22,321.24x = 377,310,190.75
  5. Step 5: Solve for x
    x = 377,310,190.75/22,321.24
  6. Step 6: Final answer
    x = 16,903.64

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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.