Home / 13,410.05-18,504.37-7,441.97

Finding the Fourth Proportional to 13,410.05, 18,504.37 and 7,441.97

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Solution

The fourth proportional to 13,410.05, 18,504.37 and 7,441.97 is: 10,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410.05 : 18,504.37 = 7,441.97 : x
  2. Step 2: Convert to fraction form
    13,410.05/18,504.37 = 7,441.97/x
  3. Step 3: Cross multiply
    13,410.05x = 18,504.37 × 7,441.97
  4. Step 4: Simplify right side
    13,410.05x = 137,708,994.06
  5. Step 5: Solve for x
    x = 137,708,994.06/13,410.05
  6. Step 6: Final answer
    x = 10,269.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.