Home / 15,974.36-23,962.97-4,287.50

Finding the Fourth Proportional to 15,974.36, 23,962.97 and 4,287.50

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Solution

The fourth proportional to 15,974.36, 23,962.97 and 4,287.50 is: 6,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974.36 : 23,962.97 = 4,287.50 : x
  2. Step 2: Convert to fraction form
    15,974.36/23,962.97 = 4,287.50/x
  3. Step 3: Cross multiply
    15,974.36x = 23,962.97 × 4,287.50
  4. Step 4: Simplify right side
    15,974.36x = 102,741,124.78
  5. Step 5: Solve for x
    x = 102,741,124.78/15,974.36
  6. Step 6: Final answer
    x = 6,431.63

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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.