Home / 22,198.98-30,634.08-12,127.46

Finding the Fourth Proportional to 22,198.98, 30,634.08 and 12,127.46

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Solution

The fourth proportional to 22,198.98, 30,634.08 and 12,127.46 is: 16,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.98 : 30,634.08 = 12,127.46 : x
  2. Step 2: Convert to fraction form
    22,198.98/30,634.08 = 12,127.46/x
  3. Step 3: Cross multiply
    22,198.98x = 30,634.08 × 12,127.46
  4. Step 4: Simplify right side
    22,198.98x = 371,513,426.67
  5. Step 5: Solve for x
    x = 371,513,426.67/22,198.98
  6. Step 6: Final answer
    x = 16,735.61

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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.