Home / 22,139.47-30,552.07-12,067.99

Finding the Fourth Proportional to 22,139.47, 30,552.07 and 12,067.99

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Solution

The fourth proportional to 22,139.47, 30,552.07 and 12,067.99 is: 16,653.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,139.47 : 30,552.07 = 12,067.99 : x
  2. Step 2: Convert to fraction form
    22,139.47/30,552.07 = 12,067.99/x
  3. Step 3: Cross multiply
    22,139.47x = 30,552.07 × 12,067.99
  4. Step 4: Simplify right side
    22,139.47x = 368,702,121.45
  5. Step 5: Solve for x
    x = 368,702,121.45/22,139.47
  6. Step 6: Final answer
    x = 16,653.61

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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.