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Finding the Fourth Proportional to 19,692.93, 27,175.16 and 11,193.87

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Solution

The fourth proportional to 19,692.93, 27,175.16 and 11,193.87 is: 15,446.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,692.93 : 27,175.16 = 11,193.87 : x
  2. Step 2: Convert to fraction form
    19,692.93/27,175.16 = 11,193.87/x
  3. Step 3: Cross multiply
    19,692.93x = 27,175.16 × 11,193.87
  4. Step 4: Simplify right side
    19,692.93x = 304,195,208.27
  5. Step 5: Solve for x
    x = 304,195,208.27/19,692.93
  6. Step 6: Final answer
    x = 15,446.92

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1.5x scale

Why These Related Problems?

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