Home / 19,040.38-28,565.44-5,713.35

Finding the Fourth Proportional to 19,040.38, 28,565.44 and 5,713.35

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Solution

The fourth proportional to 19,040.38, 28,565.44 and 5,713.35 is: 8,571.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.38 : 28,565.44 = 5,713.35 : x
  2. Step 2: Convert to fraction form
    19,040.38/28,565.44 = 5,713.35/x
  3. Step 3: Cross multiply
    19,040.38x = 28,565.44 × 5,713.35
  4. Step 4: Simplify right side
    19,040.38x = 163,204,356.62
  5. Step 5: Solve for x
    x = 163,204,356.62/19,040.38
  6. Step 6: Final answer
    x = 8,571.49

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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.