Home / 20,193.66-27,866.96-11,241.16

Finding the Fourth Proportional to 20,193.66, 27,866.96 and 11,241.16

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Solution

The fourth proportional to 20,193.66, 27,866.96 and 11,241.16 is: 15,512.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.66 : 27,866.96 = 11,241.16 : x
  2. Step 2: Convert to fraction form
    20,193.66/27,866.96 = 11,241.16/x
  3. Step 3: Cross multiply
    20,193.66x = 27,866.96 × 11,241.16
  4. Step 4: Simplify right side
    20,193.66x = 313,256,956.07
  5. Step 5: Solve for x
    x = 313,256,956.07/20,193.66
  6. Step 6: Final answer
    x = 15,512.64

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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.