Home / 38,659.11-57,972.26-13,705.44

Finding the Fourth Proportional to 38,659.11, 57,972.26 and 13,705.44

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Solution

The fourth proportional to 38,659.11, 57,972.26 and 13,705.44 is: 20,552.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,659.11 : 57,972.26 = 13,705.44 : x
  2. Step 2: Convert to fraction form
    38,659.11/57,972.26 = 13,705.44/x
  3. Step 3: Cross multiply
    38,659.11x = 57,972.26 × 13,705.44
  4. Step 4: Simplify right side
    38,659.11x = 794,535,365.36
  5. Step 5: Solve for x
    x = 794,535,365.36/38,659.11
  6. Step 6: Final answer
    x = 20,552.34

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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.