Home / 13,296.57-19,938.84-3,933.37

Finding the Fourth Proportional to 13,296.57, 19,938.84 and 3,933.37

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Solution

The fourth proportional to 13,296.57, 19,938.84 and 3,933.37 is: 5,898.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.57 : 19,938.84 = 3,933.37 : x
  2. Step 2: Convert to fraction form
    13,296.57/19,938.84 = 3,933.37/x
  3. Step 3: Cross multiply
    13,296.57x = 19,938.84 × 3,933.37
  4. Step 4: Simplify right side
    13,296.57x = 78,426,835.09
  5. Step 5: Solve for x
    x = 78,426,835.09/13,296.57
  6. Step 6: Final answer
    x = 5,898.28

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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.