Home / 17,325.14-25,991.81-5,638.36

Finding the Fourth Proportional to 17,325.14, 25,991.81 and 5,638.36

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Solution

The fourth proportional to 17,325.14, 25,991.81 and 5,638.36 is: 8,458.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,325.14 : 25,991.81 = 5,638.36 : x
  2. Step 2: Convert to fraction form
    17,325.14/25,991.81 = 5,638.36/x
  3. Step 3: Cross multiply
    17,325.14x = 25,991.81 × 5,638.36
  4. Step 4: Simplify right side
    17,325.14x = 146,551,174.40
  5. Step 5: Solve for x
    x = 146,551,174.40/17,325.14
  6. Step 6: Final answer
    x = 8,458.87

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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.