Home / 14,046.87-21,067.85-4,685.80

Finding the Fourth Proportional to 14,046.87, 21,067.85 and 4,685.80

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Solution

The fourth proportional to 14,046.87, 21,067.85 and 4,685.80 is: 7,027.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.87 : 21,067.85 = 4,685.80 : x
  2. Step 2: Convert to fraction form
    14,046.87/21,067.85 = 4,685.80/x
  3. Step 3: Cross multiply
    14,046.87x = 21,067.85 × 4,685.80
  4. Step 4: Simplify right side
    14,046.87x = 98,719,703.72
  5. Step 5: Solve for x
    x = 98,719,703.72/14,046.87
  6. Step 6: Final answer
    x = 7,027.88

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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.