Home / 15,347.52-23,021.19-3,949.43

Finding the Fourth Proportional to 15,347.52, 23,021.19 and 3,949.43

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Solution

The fourth proportional to 15,347.52, 23,021.19 and 3,949.43 is: 5,924.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347.52 : 23,021.19 = 3,949.43 : x
  2. Step 2: Convert to fraction form
    15,347.52/23,021.19 = 3,949.43/x
  3. Step 3: Cross multiply
    15,347.52x = 23,021.19 × 3,949.43
  4. Step 4: Simplify right side
    15,347.52x = 90,920,578.42
  5. Step 5: Solve for x
    x = 90,920,578.42/15,347.52
  6. Step 6: Final answer
    x = 5,924.12

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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.