Home / 19,813.69-27,343.20-11,856.25

Finding the Fourth Proportional to 19,813.69, 27,343.20 and 11,856.25

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Solution

The fourth proportional to 19,813.69, 27,343.20 and 11,856.25 is: 16,361.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.69 : 27,343.20 = 11,856.25 : x
  2. Step 2: Convert to fraction form
    19,813.69/27,343.20 = 11,856.25/x
  3. Step 3: Cross multiply
    19,813.69x = 27,343.20 × 11,856.25
  4. Step 4: Simplify right side
    19,813.69x = 324,187,815
  5. Step 5: Solve for x
    x = 324,187,815/19,813.69
  6. Step 6: Final answer
    x = 16,361.81

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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.