Home / 14,634.79-20,195.83-8,174.54

Finding the Fourth Proportional to 14,634.79, 20,195.83 and 8,174.54

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Solution

The fourth proportional to 14,634.79, 20,195.83 and 8,174.54 is: 11,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.79 : 20,195.83 = 8,174.54 : x
  2. Step 2: Convert to fraction form
    14,634.79/20,195.83 = 8,174.54/x
  3. Step 3: Cross multiply
    14,634.79x = 20,195.83 × 8,174.54
  4. Step 4: Simplify right side
    14,634.79x = 165,091,567.27
  5. Step 5: Solve for x
    x = 165,091,567.27/14,634.79
  6. Step 6: Final answer
    x = 11,280.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.