Home / 22,927.54-31,645.63-13,979.97

Finding the Fourth Proportional to 22,927.54, 31,645.63 and 13,979.97

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Solution

The fourth proportional to 22,927.54, 31,645.63 and 13,979.97 is: 19,295.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,927.54 : 31,645.63 = 13,979.97 : x
  2. Step 2: Convert to fraction form
    22,927.54/31,645.63 = 13,979.97/x
  3. Step 3: Cross multiply
    22,927.54x = 31,645.63 × 13,979.97
  4. Step 4: Simplify right side
    22,927.54x = 442,404,958.03
  5. Step 5: Solve for x
    x = 442,404,958.03/22,927.54
  6. Step 6: Final answer
    x = 19,295.79

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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.