Home / 13,614.96-20,404.27-7,276.85

Finding the Fourth Proportional to 13,614.96, 20,404.27 and 7,276.85

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Solution

The fourth proportional to 13,614.96, 20,404.27 and 7,276.85 is: 10,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.96 : 20,404.27 = 7,276.85 : x
  2. Step 2: Convert to fraction form
    13,614.96/20,404.27 = 7,276.85/x
  3. Step 3: Cross multiply
    13,614.96x = 20,404.27 × 7,276.85
  4. Step 4: Simplify right side
    13,614.96x = 148,478,691.94
  5. Step 5: Solve for x
    x = 148,478,691.94/13,614.96
  6. Step 6: Final answer
    x = 10,905.55

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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.