Home / 16,836.52-25,257.61-5,147

Finding the Fourth Proportional to 16,836.52, 25,257.61 and 5,147

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Solution

The fourth proportional to 16,836.52, 25,257.61 and 5,147 is: 7,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,836.52 : 25,257.61 = 5,147 : x
  2. Step 2: Convert to fraction form
    16,836.52/25,257.61 = 5,147/x
  3. Step 3: Cross multiply
    16,836.52x = 25,257.61 × 5,147
  4. Step 4: Simplify right side
    16,836.52x = 130,000,918.67
  5. Step 5: Solve for x
    x = 130,000,918.67/16,836.52
  6. Step 6: Final answer
    x = 7,721.37

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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.