Home / 20,090.51-27,724.68-11,592.53

Finding the Fourth Proportional to 20,090.51, 27,724.68 and 11,592.53

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Solution

The fourth proportional to 20,090.51, 27,724.68 and 11,592.53 is: 15,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,090.51 : 27,724.68 = 11,592.53 : x
  2. Step 2: Convert to fraction form
    20,090.51/27,724.68 = 11,592.53/x
  3. Step 3: Cross multiply
    20,090.51x = 27,724.68 × 11,592.53
  4. Step 4: Simplify right side
    20,090.51x = 321,399,149.98
  5. Step 5: Solve for x
    x = 321,399,149.98/20,090.51
  6. Step 6: Final answer
    x = 15,997.56

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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.