Home / 19,682.46-27,161.73-11,724.75

Finding the Fourth Proportional to 19,682.46, 27,161.73 and 11,724.75

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Solution

The fourth proportional to 19,682.46, 27,161.73 and 11,724.75 is: 16,180.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.46 : 27,161.73 = 11,724.75 : x
  2. Step 2: Convert to fraction form
    19,682.46/27,161.73 = 11,724.75/x
  3. Step 3: Cross multiply
    19,682.46x = 27,161.73 × 11,724.75
  4. Step 4: Simplify right side
    19,682.46x = 318,464,493.82
  5. Step 5: Solve for x
    x = 318,464,493.82/19,682.46
  6. Step 6: Final answer
    x = 16,180.12

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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.