Home / 14,116.82-21,182.13-9,983.39

Finding the Fourth Proportional to 14,116.82, 21,182.13 and 9,983.39

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Solution

The fourth proportional to 14,116.82, 21,182.13 and 9,983.39 is: 14,979.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.82 : 21,182.13 = 9,983.39 : x
  2. Step 2: Convert to fraction form
    14,116.82/21,182.13 = 9,983.39/x
  3. Step 3: Cross multiply
    14,116.82x = 21,182.13 × 9,983.39
  4. Step 4: Simplify right side
    14,116.82x = 211,469,358.91
  5. Step 5: Solve for x
    x = 211,469,358.91/14,116.82
  6. Step 6: Final answer
    x = 14,979.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.