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Finding the Fourth Proportional to 16,692.54, 25,039.62 and 13,765.50

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Solution

The fourth proportional to 16,692.54, 25,039.62 and 13,765.50 is: 20,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,692.54 : 25,039.62 = 13,765.50 : x
  2. Step 2: Convert to fraction form
    16,692.54/25,039.62 = 13,765.50/x
  3. Step 3: Cross multiply
    16,692.54x = 25,039.62 × 13,765.50
  4. Step 4: Simplify right side
    16,692.54x = 344,682,889.11
  5. Step 5: Solve for x
    x = 344,682,889.11/16,692.54
  6. Step 6: Final answer
    x = 20,648.92

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1.5x scale

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.