Home / 20,232.82-27,920.75-11,734.41

Finding the Fourth Proportional to 20,232.82, 27,920.75 and 11,734.41

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Solution

The fourth proportional to 20,232.82, 27,920.75 and 11,734.41 is: 16,193.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.82 : 27,920.75 = 11,734.41 : x
  2. Step 2: Convert to fraction form
    20,232.82/27,920.75 = 11,734.41/x
  3. Step 3: Cross multiply
    20,232.82x = 27,920.75 × 11,734.41
  4. Step 4: Simplify right side
    20,232.82x = 327,633,528.01
  5. Step 5: Solve for x
    x = 327,633,528.01/20,232.82
  6. Step 6: Final answer
    x = 16,193.17

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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.