Home / 22,198.06-30,633.20-12,127.07

Finding the Fourth Proportional to 22,198.06, 30,633.20 and 12,127.07

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Solution

The fourth proportional to 22,198.06, 30,633.20 and 12,127.07 is: 16,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.06 : 30,633.20 = 12,127.07 : x
  2. Step 2: Convert to fraction form
    22,198.06/30,633.20 = 12,127.07/x
  3. Step 3: Cross multiply
    22,198.06x = 30,633.20 × 12,127.07
  4. Step 4: Simplify right side
    22,198.06x = 371,491,090.36
  5. Step 5: Solve for x
    x = 371,491,090.36/22,198.06
  6. Step 6: Final answer
    x = 16,735.30

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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.