Home / 17,631.88-26,449.26-7,243.72

Finding the Fourth Proportional to 17,631.88, 26,449.26 and 7,243.72

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Solution

The fourth proportional to 17,631.88, 26,449.26 and 7,243.72 is: 10,866.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631.88 : 26,449.26 = 7,243.72 : x
  2. Step 2: Convert to fraction form
    17,631.88/26,449.26 = 7,243.72/x
  3. Step 3: Cross multiply
    17,631.88x = 26,449.26 × 7,243.72
  4. Step 4: Simplify right side
    17,631.88x = 191,591,033.65
  5. Step 5: Solve for x
    x = 191,591,033.65/17,631.88
  6. Step 6: Final answer
    x = 10,866.17

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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.