Home / 38,009.68-57,015.66-13,049.36

Finding the Fourth Proportional to 38,009.68, 57,015.66 and 13,049.36

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Solution

The fourth proportional to 38,009.68, 57,015.66 and 13,049.36 is: 19,574.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,009.68 : 57,015.66 = 13,049.36 : x
  2. Step 2: Convert to fraction form
    38,009.68/57,015.66 = 13,049.36/x
  3. Step 3: Cross multiply
    38,009.68x = 57,015.66 × 13,049.36
  4. Step 4: Simplify right side
    38,009.68x = 744,017,872.98
  5. Step 5: Solve for x
    x = 744,017,872.98/38,009.68
  6. Step 6: Final answer
    x = 19,574.43

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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.