Home / 22,198.58-30,634.95-12,767.14

Finding the Fourth Proportional to 22,198.58, 30,634.95 and 12,767.14

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Solution

The fourth proportional to 22,198.58, 30,634.95 and 12,767.14 is: 17,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.58 : 30,634.95 = 12,767.14 : x
  2. Step 2: Convert to fraction form
    22,198.58/30,634.95 = 12,767.14/x
  3. Step 3: Cross multiply
    22,198.58x = 30,634.95 × 12,767.14
  4. Step 4: Simplify right side
    22,198.58x = 391,120,695.54
  5. Step 5: Solve for x
    x = 391,120,695.54/22,198.58
  6. Step 6: Final answer
    x = 17,619.18

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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.