Home / 20,232.42-27,921.06-11,735.28

Finding the Fourth Proportional to 20,232.42, 27,921.06 and 11,735.28

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Solution

The fourth proportional to 20,232.42, 27,921.06 and 11,735.28 is: 16,194.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.42 : 27,921.06 = 11,735.28 : x
  2. Step 2: Convert to fraction form
    20,232.42/27,921.06 = 11,735.28/x
  3. Step 3: Cross multiply
    20,232.42x = 27,921.06 × 11,735.28
  4. Step 4: Simplify right side
    20,232.42x = 327,661,457.00
  5. Step 5: Solve for x
    x = 327,661,457.00/20,232.42
  6. Step 6: Final answer
    x = 16,194.87

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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.