Home / 38,015.87-57,020.15-11,713.55

Finding the Fourth Proportional to 38,015.87, 57,020.15 and 11,713.55

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Solution

The fourth proportional to 38,015.87, 57,020.15 and 11,713.55 is: 17,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,015.87 : 57,020.15 = 11,713.55 : x
  2. Step 2: Convert to fraction form
    38,015.87/57,020.15 = 11,713.55/x
  3. Step 3: Cross multiply
    38,015.87x = 57,020.15 × 11,713.55
  4. Step 4: Simplify right side
    38,015.87x = 667,908,034.36
  5. Step 5: Solve for x
    x = 667,908,034.36/38,015.87
  6. Step 6: Final answer
    x = 17,569.19

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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.