Home / 22,198.46-30,634.79-12,767.01

Finding the Fourth Proportional to 22,198.46, 30,634.79 and 12,767.01

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Solution

The fourth proportional to 22,198.46, 30,634.79 and 12,767.01 is: 17,619.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.46 : 30,634.79 = 12,767.01 : x
  2. Step 2: Convert to fraction form
    22,198.46/30,634.79 = 12,767.01/x
  3. Step 3: Cross multiply
    22,198.46x = 30,634.79 × 12,767.01
  4. Step 4: Simplify right side
    22,198.46x = 391,114,606.44
  5. Step 5: Solve for x
    x = 391,114,606.44/22,198.46
  6. Step 6: Final answer
    x = 17,619.00

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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.