Home / 13,921.83-20,882.19-4,562.55

Finding the Fourth Proportional to 13,921.83, 20,882.19 and 4,562.55

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Solution

The fourth proportional to 13,921.83, 20,882.19 and 4,562.55 is: 6,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921.83 : 20,882.19 = 4,562.55 : x
  2. Step 2: Convert to fraction form
    13,921.83/20,882.19 = 4,562.55/x
  3. Step 3: Cross multiply
    13,921.83x = 20,882.19 × 4,562.55
  4. Step 4: Simplify right side
    13,921.83x = 95,276,035.98
  5. Step 5: Solve for x
    x = 95,276,035.98/13,921.83
  6. Step 6: Final answer
    x = 6,843.64

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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.