Home / 12,734.20-19,101.43-3,849.60

Finding the Fourth Proportional to 12,734.20, 19,101.43 and 3,849.60

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Solution

The fourth proportional to 12,734.20, 19,101.43 and 3,849.60 is: 5,774.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734.20 : 19,101.43 = 3,849.60 : x
  2. Step 2: Convert to fraction form
    12,734.20/19,101.43 = 3,849.60/x
  3. Step 3: Cross multiply
    12,734.20x = 19,101.43 × 3,849.60
  4. Step 4: Simplify right side
    12,734.20x = 73,532,855.30
  5. Step 5: Solve for x
    x = 73,532,855.30/12,734.20
  6. Step 6: Final answer
    x = 5,774.44

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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.