Home / 13,199.80-19,799.54-3,204.63

Finding the Fourth Proportional to 13,199.80, 19,799.54 and 3,204.63

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Solution

The fourth proportional to 13,199.80, 19,799.54 and 3,204.63 is: 4,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199.80 : 19,799.54 = 3,204.63 : x
  2. Step 2: Convert to fraction form
    13,199.80/19,799.54 = 3,204.63/x
  3. Step 3: Cross multiply
    13,199.80x = 19,799.54 × 3,204.63
  4. Step 4: Simplify right side
    13,199.80x = 63,450,199.87
  5. Step 5: Solve for x
    x = 63,450,199.87/13,199.80
  6. Step 6: Final answer
    x = 4,806.91

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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.