Home / 13,546.54-18,692.52-8,169.25

Finding the Fourth Proportional to 13,546.54, 18,692.52 and 8,169.25

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Solution

The fourth proportional to 13,546.54, 18,692.52 and 8,169.25 is: 11,272.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.54 : 18,692.52 = 8,169.25 : x
  2. Step 2: Convert to fraction form
    13,546.54/18,692.52 = 8,169.25/x
  3. Step 3: Cross multiply
    13,546.54x = 18,692.52 × 8,169.25
  4. Step 4: Simplify right side
    13,546.54x = 152,703,869.01
  5. Step 5: Solve for x
    x = 152,703,869.01/13,546.54
  6. Step 6: Final answer
    x = 11,272.54

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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.