Home / 13,033.85-19,553.50-5,639.36

Finding the Fourth Proportional to 13,033.85, 19,553.50 and 5,639.36

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Solution

The fourth proportional to 13,033.85, 19,553.50 and 5,639.36 is: 8,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033.85 : 19,553.50 = 5,639.36 : x
  2. Step 2: Convert to fraction form
    13,033.85/19,553.50 = 5,639.36/x
  3. Step 3: Cross multiply
    13,033.85x = 19,553.50 × 5,639.36
  4. Step 4: Simplify right side
    13,033.85x = 110,269,142.09
  5. Step 5: Solve for x
    x = 110,269,142.09/13,033.85
  6. Step 6: Final answer
    x = 8,460.22

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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.