Home / 22,197.24-30,632.64-12,126.09

Finding the Fourth Proportional to 22,197.24, 30,632.64 and 12,126.09

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Solution

The fourth proportional to 22,197.24, 30,632.64 and 12,126.09 is: 16,734.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,197.24 : 30,632.64 = 12,126.09 : x
  2. Step 2: Convert to fraction form
    22,197.24/30,632.64 = 12,126.09/x
  3. Step 3: Cross multiply
    22,197.24x = 30,632.64 × 12,126.09
  4. Step 4: Simplify right side
    22,197.24x = 371,454,149.58
  5. Step 5: Solve for x
    x = 371,454,149.58/22,197.24
  6. Step 6: Final answer
    x = 16,734.25

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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.