Home / 15,424.20-23,131.66-4,893.79

Finding the Fourth Proportional to 15,424.20, 23,131.66 and 4,893.79

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Solution

The fourth proportional to 15,424.20, 23,131.66 and 4,893.79 is: 7,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424.20 : 23,131.66 = 4,893.79 : x
  2. Step 2: Convert to fraction form
    15,424.20/23,131.66 = 4,893.79/x
  3. Step 3: Cross multiply
    15,424.20x = 23,131.66 × 4,893.79
  4. Step 4: Simplify right side
    15,424.20x = 113,201,554.58
  5. Step 5: Solve for x
    x = 113,201,554.58/15,424.20
  6. Step 6: Final answer
    x = 7,339.22

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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.