Home / 15,844.78-23,750.34-5,979.88

Finding the Fourth Proportional to 15,844.78, 23,750.34 and 5,979.88

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Solution

The fourth proportional to 15,844.78, 23,750.34 and 5,979.88 is: 8,963.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,844.78 : 23,750.34 = 5,979.88 : x
  2. Step 2: Convert to fraction form
    15,844.78/23,750.34 = 5,979.88/x
  3. Step 3: Cross multiply
    15,844.78x = 23,750.34 × 5,979.88
  4. Step 4: Simplify right side
    15,844.78x = 142,024,183.16
  5. Step 5: Solve for x
    x = 142,024,183.16/15,844.78
  6. Step 6: Final answer
    x = 8,963.47

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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.