Home / 16,630.20-22,958.18-12,844.88

Finding the Fourth Proportional to 16,630.20, 22,958.18 and 12,844.88

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Solution

The fourth proportional to 16,630.20, 22,958.18 and 12,844.88 is: 17,732.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,630.20 : 22,958.18 = 12,844.88 : x
  2. Step 2: Convert to fraction form
    16,630.20/22,958.18 = 12,844.88/x
  3. Step 3: Cross multiply
    16,630.20x = 22,958.18 × 12,844.88
  4. Step 4: Simplify right side
    16,630.20x = 294,895,067.12
  5. Step 5: Solve for x
    x = 294,895,067.12/16,630.20
  6. Step 6: Final answer
    x = 17,732.50

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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.