Home / 38,290.24-57,435.33-11,997.03

Finding the Fourth Proportional to 38,290.24, 57,435.33 and 11,997.03

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Solution

The fourth proportional to 38,290.24, 57,435.33 and 11,997.03 is: 17,995.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290.24 : 57,435.33 = 11,997.03 : x
  2. Step 2: Convert to fraction form
    38,290.24/57,435.33 = 11,997.03/x
  3. Step 3: Cross multiply
    38,290.24x = 57,435.33 × 11,997.03
  4. Step 4: Simplify right side
    38,290.24x = 689,053,377.07
  5. Step 5: Solve for x
    x = 689,053,377.07/38,290.24
  6. Step 6: Final answer
    x = 17,995.54

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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.