Home / 38,185.97-57,268.01-13,219.54

Finding the Fourth Proportional to 38,185.97, 57,268.01 and 13,219.54

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Solution

The fourth proportional to 38,185.97, 57,268.01 and 13,219.54 is: 19,825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,185.97 : 57,268.01 = 13,219.54 : x
  2. Step 2: Convert to fraction form
    38,185.97/57,268.01 = 13,219.54/x
  3. Step 3: Cross multiply
    38,185.97x = 57,268.01 × 13,219.54
  4. Step 4: Simplify right side
    38,185.97x = 757,056,638.79
  5. Step 5: Solve for x
    x = 757,056,638.79/38,185.97
  6. Step 6: Final answer
    x = 19,825.52

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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.