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Finding the Fourth Proportional to 19,692.53, 27,174.69 and 11,193.53

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Solution

The fourth proportional to 19,692.53, 27,174.69 and 11,193.53 is: 15,446.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,692.53 : 27,174.69 = 11,193.53 : x
  2. Step 2: Convert to fraction form
    19,692.53/27,174.69 = 11,193.53/x
  3. Step 3: Cross multiply
    19,692.53x = 27,174.69 × 11,193.53
  4. Step 4: Simplify right side
    19,692.53x = 304,180,775.69
  5. Step 5: Solve for x
    x = 304,180,775.69/19,692.53
  6. Step 6: Final answer
    x = 15,446.51

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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.