Home / 14,616.72-20,174.40-8,651.88

Finding the Fourth Proportional to 14,616.72, 20,174.40 and 8,651.88

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Solution

The fourth proportional to 14,616.72, 20,174.40 and 8,651.88 is: 11,941.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,616.72 : 20,174.40 = 8,651.88 : x
  2. Step 2: Convert to fraction form
    14,616.72/20,174.40 = 8,651.88/x
  3. Step 3: Cross multiply
    14,616.72x = 20,174.40 × 8,651.88
  4. Step 4: Simplify right side
    14,616.72x = 174,546,487.87
  5. Step 5: Solve for x
    x = 174,546,487.87/14,616.72
  6. Step 6: Final answer
    x = 11,941.56

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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.