Home / 22,198.30-30,605.07-15,832.15

Finding the Fourth Proportional to 22,198.30, 30,605.07 and 15,832.15

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Solution

The fourth proportional to 22,198.30, 30,605.07 and 15,832.15 is: 21,827.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.30 : 30,605.07 = 15,832.15 : x
  2. Step 2: Convert to fraction form
    22,198.30/30,605.07 = 15,832.15/x
  3. Step 3: Cross multiply
    22,198.30x = 30,605.07 × 15,832.15
  4. Step 4: Simplify right side
    22,198.30x = 484,544,059.00
  5. Step 5: Solve for x
    x = 484,544,059.00/22,198.30
  6. Step 6: Final answer
    x = 21,827.98

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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.