Home / 38,019.62-57,025.78-11,717.30

Finding the Fourth Proportional to 38,019.62, 57,025.78 and 11,717.30

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Solution

The fourth proportional to 38,019.62, 57,025.78 and 11,717.30 is: 17,574.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,019.62 : 57,025.78 = 11,717.30 : x
  2. Step 2: Convert to fraction form
    38,019.62/57,025.78 = 11,717.30/x
  3. Step 3: Cross multiply
    38,019.62x = 57,025.78 × 11,717.30
  4. Step 4: Simplify right side
    38,019.62x = 668,188,285.27
  5. Step 5: Solve for x
    x = 668,188,285.27/38,019.62
  6. Step 6: Final answer
    x = 17,574.83

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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.