Home / 15,976.66-23,957.65-5,442.39

Finding the Fourth Proportional to 15,976.66, 23,957.65 and 5,442.39

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Solution

The fourth proportional to 15,976.66, 23,957.65 and 5,442.39 is: 8,161.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.66 : 23,957.65 = 5,442.39 : x
  2. Step 2: Convert to fraction form
    15,976.66/23,957.65 = 5,442.39/x
  3. Step 3: Cross multiply
    15,976.66x = 23,957.65 × 5,442.39
  4. Step 4: Simplify right side
    15,976.66x = 130,386,847.57
  5. Step 5: Solve for x
    x = 130,386,847.57/15,976.66
  6. Step 6: Final answer
    x = 8,161.09

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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.