Home / 15,491.62-23,231.50-4,959.39

Finding the Fourth Proportional to 15,491.62, 23,231.50 and 4,959.39

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Solution

The fourth proportional to 15,491.62, 23,231.50 and 4,959.39 is: 7,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,491.62 : 23,231.50 = 4,959.39 : x
  2. Step 2: Convert to fraction form
    15,491.62/23,231.50 = 4,959.39/x
  3. Step 3: Cross multiply
    15,491.62x = 23,231.50 × 4,959.39
  4. Step 4: Simplify right side
    15,491.62x = 115,214,143.50
  5. Step 5: Solve for x
    x = 115,214,143.50/15,491.62
  6. Step 6: Final answer
    x = 7,437.19

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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.