Home / 13,236.87-19,860.45-5,836.08

Finding the Fourth Proportional to 13,236.87, 19,860.45 and 5,836.08

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Solution

The fourth proportional to 13,236.87, 19,860.45 and 5,836.08 is: 8,756.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.87 : 19,860.45 = 5,836.08 : x
  2. Step 2: Convert to fraction form
    13,236.87/19,860.45 = 5,836.08/x
  3. Step 3: Cross multiply
    13,236.87x = 19,860.45 × 5,836.08
  4. Step 4: Simplify right side
    13,236.87x = 115,907,175.04
  5. Step 5: Solve for x
    x = 115,907,175.04/13,236.87
  6. Step 6: Final answer
    x = 8,756.39

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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.