Home / 27,639.97-38,149.31-17,566.45

Finding the Fourth Proportional to 27,639.97, 38,149.31 and 17,566.45

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Solution

The fourth proportional to 27,639.97, 38,149.31 and 17,566.45 is: 24,245.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.97 : 38,149.31 = 17,566.45 : x
  2. Step 2: Convert to fraction form
    27,639.97/38,149.31 = 17,566.45/x
  3. Step 3: Cross multiply
    27,639.97x = 38,149.31 × 17,566.45
  4. Step 4: Simplify right side
    27,639.97x = 670,147,946.65
  5. Step 5: Solve for x
    x = 670,147,946.65/27,639.97
  6. Step 6: Final answer
    x = 24,245.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.