Home / 14,076.62-21,117.93-5,191.97

Finding the Fourth Proportional to 14,076.62, 21,117.93 and 5,191.97

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Solution

The fourth proportional to 14,076.62, 21,117.93 and 5,191.97 is: 7,789.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076.62 : 21,117.93 = 5,191.97 : x
  2. Step 2: Convert to fraction form
    14,076.62/21,117.93 = 5,191.97/x
  3. Step 3: Cross multiply
    14,076.62x = 21,117.93 × 5,191.97
  4. Step 4: Simplify right side
    14,076.62x = 109,643,659.02
  5. Step 5: Solve for x
    x = 109,643,659.02/14,076.62
  6. Step 6: Final answer
    x = 7,789.06

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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.