Home / 19,132.44-28,698.62-5,092.47

Finding the Fourth Proportional to 19,132.44, 28,698.62 and 5,092.47

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Solution

The fourth proportional to 19,132.44, 28,698.62 and 5,092.47 is: 7,638.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.44 : 28,698.62 = 5,092.47 : x
  2. Step 2: Convert to fraction form
    19,132.44/28,698.62 = 5,092.47/x
  3. Step 3: Cross multiply
    19,132.44x = 28,698.62 × 5,092.47
  4. Step 4: Simplify right side
    19,132.44x = 146,146,861.39
  5. Step 5: Solve for x
    x = 146,146,861.39/19,132.44
  6. Step 6: Final answer
    x = 7,638.69

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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.