Home / 16,724.72-23,080.20-9,651.44

Finding the Fourth Proportional to 16,724.72, 23,080.20 and 9,651.44

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Solution

The fourth proportional to 16,724.72, 23,080.20 and 9,651.44 is: 13,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,724.72 : 23,080.20 = 9,651.44 : x
  2. Step 2: Convert to fraction form
    16,724.72/23,080.20 = 9,651.44/x
  3. Step 3: Cross multiply
    16,724.72x = 23,080.20 × 9,651.44
  4. Step 4: Simplify right side
    16,724.72x = 222,757,165.49
  5. Step 5: Solve for x
    x = 222,757,165.49/16,724.72
  6. Step 6: Final answer
    x = 13,319.04

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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.