Home / 12,441.74-18,663.98-3,676.66

Finding the Fourth Proportional to 12,441.74, 18,663.98 and 3,676.66

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Solution

The fourth proportional to 12,441.74, 18,663.98 and 3,676.66 is: 5,515.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.74 : 18,663.98 = 3,676.66 : x
  2. Step 2: Convert to fraction form
    12,441.74/18,663.98 = 3,676.66/x
  3. Step 3: Cross multiply
    12,441.74x = 18,663.98 × 3,676.66
  4. Step 4: Simplify right side
    12,441.74x = 68,621,108.71
  5. Step 5: Solve for x
    x = 68,621,108.71/12,441.74
  6. Step 6: Final answer
    x = 5,515.39

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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.