Home / 22,197.75-30,632.73-12,126.21

Finding the Fourth Proportional to 22,197.75, 30,632.73 and 12,126.21

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Solution

The fourth proportional to 22,197.75, 30,632.73 and 12,126.21 is: 16,734.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,197.75 : 30,632.73 = 12,126.21 : x
  2. Step 2: Convert to fraction form
    22,197.75/30,632.73 = 12,126.21/x
  3. Step 3: Cross multiply
    22,197.75x = 30,632.73 × 12,126.21
  4. Step 4: Simplify right side
    22,197.75x = 371,458,916.85
  5. Step 5: Solve for x
    x = 371,458,916.85/22,197.75
  6. Step 6: Final answer
    x = 16,734.08

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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.