Home / 38,002.82-57,012.39-11,350.92

Finding the Fourth Proportional to 38,002.82, 57,012.39 and 11,350.92

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Solution

The fourth proportional to 38,002.82, 57,012.39 and 11,350.92 is: 17,028.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,002.82 : 57,012.39 = 11,350.92 : x
  2. Step 2: Convert to fraction form
    38,002.82/57,012.39 = 11,350.92/x
  3. Step 3: Cross multiply
    38,002.82x = 57,012.39 × 11,350.92
  4. Step 4: Simplify right side
    38,002.82x = 647,142,971.00
  5. Step 5: Solve for x
    x = 647,142,971.00/38,002.82
  6. Step 6: Final answer
    x = 17,028.81

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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.