Home / 16,964.20-23,393.92-15,623.29

Finding the Fourth Proportional to 16,964.20, 23,393.92 and 15,623.29

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Solution

The fourth proportional to 16,964.20, 23,393.92 and 15,623.29 is: 21,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,964.20 : 23,393.92 = 15,623.29 : x
  2. Step 2: Convert to fraction form
    16,964.20/23,393.92 = 15,623.29/x
  3. Step 3: Cross multiply
    16,964.20x = 23,393.92 × 15,623.29
  4. Step 4: Simplify right side
    16,964.20x = 365,489,996.40
  5. Step 5: Solve for x
    x = 365,489,996.40/16,964.20
  6. Step 6: Final answer
    x = 21,544.78

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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.