Home / 17,146.13-25,692.60-11,891.39

Finding the Fourth Proportional to 17,146.13, 25,692.60 and 11,891.39

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Solution

The fourth proportional to 17,146.13, 25,692.60 and 11,891.39 is: 17,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,146.13 : 25,692.60 = 11,891.39 : x
  2. Step 2: Convert to fraction form
    17,146.13/25,692.60 = 11,891.39/x
  3. Step 3: Cross multiply
    17,146.13x = 25,692.60 × 11,891.39
  4. Step 4: Simplify right side
    17,146.13x = 305,520,726.71
  5. Step 5: Solve for x
    x = 305,520,726.71/17,146.13
  6. Step 6: Final answer
    x = 17,818.64

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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.