Home / 13,633.25-20,449.30-4,273.07

Finding the Fourth Proportional to 13,633.25, 20,449.30 and 4,273.07

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Solution

The fourth proportional to 13,633.25, 20,449.30 and 4,273.07 is: 6,409.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.25 : 20,449.30 = 4,273.07 : x
  2. Step 2: Convert to fraction form
    13,633.25/20,449.30 = 4,273.07/x
  3. Step 3: Cross multiply
    13,633.25x = 20,449.30 × 4,273.07
  4. Step 4: Simplify right side
    13,633.25x = 87,381,177.42
  5. Step 5: Solve for x
    x = 87,381,177.42/13,633.25
  6. Step 6: Final answer
    x = 6,409.42

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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.