Home / 13,675.43-20,499.48-11,793.70

Finding the Fourth Proportional to 13,675.43, 20,499.48 and 11,793.70

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Solution

The fourth proportional to 13,675.43, 20,499.48 and 11,793.70 is: 17,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,675.43 : 20,499.48 = 11,793.70 : x
  2. Step 2: Convert to fraction form
    13,675.43/20,499.48 = 11,793.70/x
  3. Step 3: Cross multiply
    13,675.43x = 20,499.48 × 11,793.70
  4. Step 4: Simplify right side
    13,675.43x = 241,764,742.90
  5. Step 5: Solve for x
    x = 241,764,742.90/13,675.43
  6. Step 6: Final answer
    x = 17,678.76

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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.