Home / 13,634.08-20,451.14-4,146.48

Finding the Fourth Proportional to 13,634.08, 20,451.14 and 4,146.48

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Solution

The fourth proportional to 13,634.08, 20,451.14 and 4,146.48 is: 6,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.08 : 20,451.14 = 4,146.48 : x
  2. Step 2: Convert to fraction form
    13,634.08/20,451.14 = 4,146.48/x
  3. Step 3: Cross multiply
    13,634.08x = 20,451.14 × 4,146.48
  4. Step 4: Simplify right side
    13,634.08x = 84,800,261.13
  5. Step 5: Solve for x
    x = 84,800,261.13/13,634.08
  6. Step 6: Final answer
    x = 6,219.73

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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.