Home / 19,942.56-27,517-11,984.92

Finding the Fourth Proportional to 19,942.56, 27,517 and 11,984.92

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Solution

The fourth proportional to 19,942.56, 27,517 and 11,984.92 is: 16,536.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.56 : 27,517 = 11,984.92 : x
  2. Step 2: Convert to fraction form
    19,942.56/27,517 = 11,984.92/x
  3. Step 3: Cross multiply
    19,942.56x = 27,517 × 11,984.92
  4. Step 4: Simplify right side
    19,942.56x = 329,789,043.64
  5. Step 5: Solve for x
    x = 329,789,043.64/19,942.56
  6. Step 6: Final answer
    x = 16,536.95

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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.