Home / 15,371.94-23,057.64-4,279.26

Finding the Fourth Proportional to 15,371.94, 23,057.64 and 4,279.26

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Solution

The fourth proportional to 15,371.94, 23,057.64 and 4,279.26 is: 6,418.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,371.94 : 23,057.64 = 4,279.26 : x
  2. Step 2: Convert to fraction form
    15,371.94/23,057.64 = 4,279.26/x
  3. Step 3: Cross multiply
    15,371.94x = 23,057.64 × 4,279.26
  4. Step 4: Simplify right side
    15,371.94x = 98,669,636.55
  5. Step 5: Solve for x
    x = 98,669,636.55/15,371.94
  6. Step 6: Final answer
    x = 6,418.81

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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.