Home / 19,078.52-28,618.02-5,930.60

Finding the Fourth Proportional to 19,078.52, 28,618.02 and 5,930.60

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Solution

The fourth proportional to 19,078.52, 28,618.02 and 5,930.60 is: 8,895.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.52 : 28,618.02 = 5,930.60 : x
  2. Step 2: Convert to fraction form
    19,078.52/28,618.02 = 5,930.60/x
  3. Step 3: Cross multiply
    19,078.52x = 28,618.02 × 5,930.60
  4. Step 4: Simplify right side
    19,078.52x = 169,722,029.41
  5. Step 5: Solve for x
    x = 169,722,029.41/19,078.52
  6. Step 6: Final answer
    x = 8,895.97

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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.