Home / 17,328.11-25,986.38-5,638.60

Finding the Fourth Proportional to 17,328.11, 25,986.38 and 5,638.60

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Solution

The fourth proportional to 17,328.11, 25,986.38 and 5,638.60 is: 8,456.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,328.11 : 25,986.38 = 5,638.60 : x
  2. Step 2: Convert to fraction form
    17,328.11/25,986.38 = 5,638.60/x
  3. Step 3: Cross multiply
    17,328.11x = 25,986.38 × 5,638.60
  4. Step 4: Simplify right side
    17,328.11x = 146,526,709.11
  5. Step 5: Solve for x
    x = 146,526,709.11/17,328.11
  6. Step 6: Final answer
    x = 8,456.01

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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.