Home / 22,198.30-30,633.54-12,126.64

Finding the Fourth Proportional to 22,198.30, 30,633.54 and 12,126.64

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Solution

The fourth proportional to 22,198.30, 30,633.54 and 12,126.64 is: 16,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.30 : 30,633.54 = 12,126.64 : x
  2. Step 2: Convert to fraction form
    22,198.30/30,633.54 = 12,126.64/x
  3. Step 3: Cross multiply
    22,198.30x = 30,633.54 × 12,126.64
  4. Step 4: Simplify right side
    22,198.30x = 371,481,911.51
  5. Step 5: Solve for x
    x = 371,481,911.51/22,198.30
  6. Step 6: Final answer
    x = 16,734.70

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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.