Home / 19,653.25-27,121.31-10,700.73

Finding the Fourth Proportional to 19,653.25, 27,121.31 and 10,700.73

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Solution

The fourth proportional to 19,653.25, 27,121.31 and 10,700.73 is: 14,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.25 : 27,121.31 = 10,700.73 : x
  2. Step 2: Convert to fraction form
    19,653.25/27,121.31 = 10,700.73/x
  3. Step 3: Cross multiply
    19,653.25x = 27,121.31 × 10,700.73
  4. Step 4: Simplify right side
    19,653.25x = 290,217,815.56
  5. Step 5: Solve for x
    x = 290,217,815.56/19,653.25
  6. Step 6: Final answer
    x = 14,766.91

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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.