Home / 22,199.94-30,634.66-12,126.38

Finding the Fourth Proportional to 22,199.94, 30,634.66 and 12,126.38

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Solution

The fourth proportional to 22,199.94, 30,634.66 and 12,126.38 is: 16,733.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,199.94 : 30,634.66 = 12,126.38 : x
  2. Step 2: Convert to fraction form
    22,199.94/30,634.66 = 12,126.38/x
  3. Step 3: Cross multiply
    22,199.94x = 30,634.66 × 12,126.38
  4. Step 4: Simplify right side
    22,199.94x = 371,487,528.33
  5. Step 5: Solve for x
    x = 371,487,528.33/22,199.94
  6. Step 6: Final answer
    x = 16,733.72

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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.