Home / 13,203.03-19,805.25-3,342.39

Finding the Fourth Proportional to 13,203.03, 19,805.25 and 3,342.39

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Solution

The fourth proportional to 13,203.03, 19,805.25 and 3,342.39 is: 5,013.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.03 : 19,805.25 = 3,342.39 : x
  2. Step 2: Convert to fraction form
    13,203.03/19,805.25 = 3,342.39/x
  3. Step 3: Cross multiply
    13,203.03x = 19,805.25 × 3,342.39
  4. Step 4: Simplify right side
    13,203.03x = 66,196,869.55
  5. Step 5: Solve for x
    x = 66,196,869.55/13,203.03
  6. Step 6: Final answer
    x = 5,013.76

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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.