Home / 14,650.27-20,165.96-12,968.71

Finding the Fourth Proportional to 14,650.27, 20,165.96 and 12,968.71

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Solution

The fourth proportional to 14,650.27, 20,165.96 and 12,968.71 is: 17,851.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.27 : 20,165.96 = 12,968.71 : x
  2. Step 2: Convert to fraction form
    14,650.27/20,165.96 = 12,968.71/x
  3. Step 3: Cross multiply
    14,650.27x = 20,165.96 × 12,968.71
  4. Step 4: Simplify right side
    14,650.27x = 261,526,469.12
  5. Step 5: Solve for x
    x = 261,526,469.12/14,650.27
  6. Step 6: Final answer
    x = 17,851.31

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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.