Home / 20,232.58-27,921.22-11,735.06

Finding the Fourth Proportional to 20,232.58, 27,921.22 and 11,735.06

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Solution

The fourth proportional to 20,232.58, 27,921.22 and 11,735.06 is: 16,194.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.58 : 27,921.22 = 11,735.06 : x
  2. Step 2: Convert to fraction form
    20,232.58/27,921.22 = 11,735.06/x
  3. Step 3: Cross multiply
    20,232.58x = 27,921.22 × 11,735.06
  4. Step 4: Simplify right side
    20,232.58x = 327,657,133.30
  5. Step 5: Solve for x
    x = 327,657,133.30/20,232.58
  6. Step 6: Final answer
    x = 16,194.53

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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.