Home / 22,927.29-31,645.29-13,979.73

Finding the Fourth Proportional to 22,927.29, 31,645.29 and 13,979.73

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Solution

The fourth proportional to 22,927.29, 31,645.29 and 13,979.73 is: 19,295.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,927.29 : 31,645.29 = 13,979.73 : x
  2. Step 2: Convert to fraction form
    22,927.29/31,645.29 = 13,979.73/x
  3. Step 3: Cross multiply
    22,927.29x = 31,645.29 × 13,979.73
  4. Step 4: Simplify right side
    22,927.29x = 442,392,609.97
  5. Step 5: Solve for x
    x = 442,392,609.97/22,927.29
  6. Step 6: Final answer
    x = 19,295.46

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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.