Home / 29,152.78-43,692.25-18,618.73

Finding the Fourth Proportional to 29,152.78, 43,692.25 and 18,618.73

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Solution

The fourth proportional to 29,152.78, 43,692.25 and 18,618.73 is: 27,904.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,152.78 : 43,692.25 = 18,618.73 : x
  2. Step 2: Convert to fraction form
    29,152.78/43,692.25 = 18,618.73/x
  3. Step 3: Cross multiply
    29,152.78x = 43,692.25 × 18,618.73
  4. Step 4: Simplify right side
    29,152.78x = 813,494,205.84
  5. Step 5: Solve for x
    x = 813,494,205.84/29,152.78
  6. Step 6: Final answer
    x = 27,904.52

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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.