Home / 15,424.98-23,137.61-3,738.21

Finding the Fourth Proportional to 15,424.98, 23,137.61 and 3,738.21

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Solution

The fourth proportional to 15,424.98, 23,137.61 and 3,738.21 is: 5,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424.98 : 23,137.61 = 3,738.21 : x
  2. Step 2: Convert to fraction form
    15,424.98/23,137.61 = 3,738.21/x
  3. Step 3: Cross multiply
    15,424.98x = 23,137.61 × 3,738.21
  4. Step 4: Simplify right side
    15,424.98x = 86,493,245.08
  5. Step 5: Solve for x
    x = 86,493,245.08/15,424.98
  6. Step 6: Final answer
    x = 5,607.35

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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.