Home / 22,198.37-30,634.47-12,127.77

Finding the Fourth Proportional to 22,198.37, 30,634.47 and 12,127.77

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Solution

The fourth proportional to 22,198.37, 30,634.47 and 12,127.77 is: 16,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.37 : 30,634.47 = 12,127.77 : x
  2. Step 2: Convert to fraction form
    22,198.37/30,634.47 = 12,127.77/x
  3. Step 3: Cross multiply
    22,198.37x = 30,634.47 × 12,127.77
  4. Step 4: Simplify right side
    22,198.37x = 371,527,806.23
  5. Step 5: Solve for x
    x = 371,527,806.23/22,198.37
  6. Step 6: Final answer
    x = 16,736.72

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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.