Home / 19,040.65-28,565.90-11,149.83

Finding the Fourth Proportional to 19,040.65, 28,565.90 and 11,149.83

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Solution

The fourth proportional to 19,040.65, 28,565.90 and 11,149.83 is: 16,727.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.65 : 28,565.90 = 11,149.83 : x
  2. Step 2: Convert to fraction form
    19,040.65/28,565.90 = 11,149.83/x
  3. Step 3: Cross multiply
    19,040.65x = 28,565.90 × 11,149.83
  4. Step 4: Simplify right side
    19,040.65x = 318,505,028.09
  5. Step 5: Solve for x
    x = 318,505,028.09/19,040.65
  6. Step 6: Final answer
    x = 16,727.63

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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.