Home / 19,909.31-27,476.19-10,957.41

Finding the Fourth Proportional to 19,909.31, 27,476.19 and 10,957.41

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Solution

The fourth proportional to 19,909.31, 27,476.19 and 10,957.41 is: 15,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.31 : 27,476.19 = 10,957.41 : x
  2. Step 2: Convert to fraction form
    19,909.31/27,476.19 = 10,957.41/x
  3. Step 3: Cross multiply
    19,909.31x = 27,476.19 × 10,957.41
  4. Step 4: Simplify right side
    19,909.31x = 301,067,879.07
  5. Step 5: Solve for x
    x = 301,067,879.07/19,909.31
  6. Step 6: Final answer
    x = 15,121.97

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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.