Home / 16,121.36-22,249.14-9,048.44

Finding the Fourth Proportional to 16,121.36, 22,249.14 and 9,048.44

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Solution

The fourth proportional to 16,121.36, 22,249.14 and 9,048.44 is: 12,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.36 : 22,249.14 = 9,048.44 : x
  2. Step 2: Convert to fraction form
    16,121.36/22,249.14 = 9,048.44/x
  3. Step 3: Cross multiply
    16,121.36x = 22,249.14 × 9,048.44
  4. Step 4: Simplify right side
    16,121.36x = 201,320,008.34
  5. Step 5: Solve for x
    x = 201,320,008.34/16,121.36
  6. Step 6: Final answer
    x = 12,487.78

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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.