Home / 19,963.14-29,944.26-8,116.89

Finding the Fourth Proportional to 19,963.14, 29,944.26 and 8,116.89

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Solution

The fourth proportional to 19,963.14, 29,944.26 and 8,116.89 is: 12,175.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.14 : 29,944.26 = 8,116.89 : x
  2. Step 2: Convert to fraction form
    19,963.14/29,944.26 = 8,116.89/x
  3. Step 3: Cross multiply
    19,963.14x = 29,944.26 × 8,116.89
  4. Step 4: Simplify right side
    19,963.14x = 243,054,264.55
  5. Step 5: Solve for x
    x = 243,054,264.55/19,963.14
  6. Step 6: Final answer
    x = 12,175.15

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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.