Home / 19,319.50-28,979.25-5,468.50

Finding the Fourth Proportional to 19,319.50, 28,979.25 and 5,468.50

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Solution

The fourth proportional to 19,319.50, 28,979.25 and 5,468.50 is: 8,202.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.50 : 28,979.25 = 5,468.50 : x
  2. Step 2: Convert to fraction form
    19,319.50/28,979.25 = 5,468.50/x
  3. Step 3: Cross multiply
    19,319.50x = 28,979.25 × 5,468.50
  4. Step 4: Simplify right side
    19,319.50x = 158,473,028.63
  5. Step 5: Solve for x
    x = 158,473,028.63/19,319.50
  6. Step 6: Final answer
    x = 8,202.75

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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.