Home / 38,189.82-57,280.46-11,892.36

Finding the Fourth Proportional to 38,189.82, 57,280.46 and 11,892.36

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Solution

The fourth proportional to 38,189.82, 57,280.46 and 11,892.36 is: 17,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189.82 : 57,280.46 = 11,892.36 : x
  2. Step 2: Convert to fraction form
    38,189.82/57,280.46 = 11,892.36/x
  3. Step 3: Cross multiply
    38,189.82x = 57,280.46 × 11,892.36
  4. Step 4: Simplify right side
    38,189.82x = 681,199,851.29
  5. Step 5: Solve for x
    x = 681,199,851.29/38,189.82
  6. Step 6: Final answer
    x = 17,837.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.