Home / 13,243.58-19,860.94-5,344.05

Finding the Fourth Proportional to 13,243.58, 19,860.94 and 5,344.05

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Solution

The fourth proportional to 13,243.58, 19,860.94 and 5,344.05 is: 8,014.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.58 : 19,860.94 = 5,344.05 : x
  2. Step 2: Convert to fraction form
    13,243.58/19,860.94 = 5,344.05/x
  3. Step 3: Cross multiply
    13,243.58x = 19,860.94 × 5,344.05
  4. Step 4: Simplify right side
    13,243.58x = 106,137,856.41
  5. Step 5: Solve for x
    x = 106,137,856.41/13,243.58
  6. Step 6: Final answer
    x = 8,014.29

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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.