Home / 13,301.06-19,951.69-3,813.39

Finding the Fourth Proportional to 13,301.06, 19,951.69 and 3,813.39

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Solution

The fourth proportional to 13,301.06, 19,951.69 and 3,813.39 is: 5,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.06 : 19,951.69 = 3,813.39 : x
  2. Step 2: Convert to fraction form
    13,301.06/19,951.69 = 3,813.39/x
  3. Step 3: Cross multiply
    13,301.06x = 19,951.69 × 3,813.39
  4. Step 4: Simplify right side
    13,301.06x = 76,083,575.13
  5. Step 5: Solve for x
    x = 76,083,575.13/13,301.06
  6. Step 6: Final answer
    x = 5,720.11

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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.