Home / 17,138.00-25,707.13-11,219.87

Finding the Fourth Proportional to 17,138.00, 25,707.13 and 11,219.87

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Solution

The fourth proportional to 17,138.00, 25,707.13 and 11,219.87 is: 16,829.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,138.00 : 25,707.13 = 11,219.87 : x
  2. Step 2: Convert to fraction form
    17,138.00/25,707.13 = 11,219.87/x
  3. Step 3: Cross multiply
    17,138.00x = 25,707.13 × 11,219.87
  4. Step 4: Simplify right side
    17,138.00x = 288,430,692.89
  5. Step 5: Solve for x
    x = 288,430,692.89/17,138.00
  6. Step 6: Final answer
    x = 16,829.89

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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.