Home / 14,040.45-21,067.25-6,141.94

Finding the Fourth Proportional to 14,040.45, 21,067.25 and 6,141.94

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Solution

The fourth proportional to 14,040.45, 21,067.25 and 6,141.94 is: 9,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.45 : 21,067.25 = 6,141.94 : x
  2. Step 2: Convert to fraction form
    14,040.45/21,067.25 = 6,141.94/x
  3. Step 3: Cross multiply
    14,040.45x = 21,067.25 × 6,141.94
  4. Step 4: Simplify right side
    14,040.45x = 129,393,785.47
  5. Step 5: Solve for x
    x = 129,393,785.47/14,040.45
  6. Step 6: Final answer
    x = 9,215.79

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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.