Home / 15,493.26-23,243.52-5,105

Finding the Fourth Proportional to 15,493.26, 23,243.52 and 5,105

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Solution

The fourth proportional to 15,493.26, 23,243.52 and 5,105 is: 7,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,493.26 : 23,243.52 = 5,105 : x
  2. Step 2: Convert to fraction form
    15,493.26/23,243.52 = 5,105/x
  3. Step 3: Cross multiply
    15,493.26x = 23,243.52 × 5,105
  4. Step 4: Simplify right side
    15,493.26x = 118,658,169.60
  5. Step 5: Solve for x
    x = 118,658,169.60/15,493.26
  6. Step 6: Final answer
    x = 7,658.70

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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.