Home / 16,849.60-25,224.48-12,486.64

Finding the Fourth Proportional to 16,849.60, 25,224.48 and 12,486.64

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Solution

The fourth proportional to 16,849.60, 25,224.48 and 12,486.64 is: 18,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,849.60 : 25,224.48 = 12,486.64 : x
  2. Step 2: Convert to fraction form
    16,849.60/25,224.48 = 12,486.64/x
  3. Step 3: Cross multiply
    16,849.60x = 25,224.48 × 12,486.64
  4. Step 4: Simplify right side
    16,849.60x = 314,969,000.95
  5. Step 5: Solve for x
    x = 314,969,000.95/16,849.60
  6. Step 6: Final answer
    x = 18,692.97

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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.