Home / 18,835.97-25,992.50-11,286.23

Finding the Fourth Proportional to 18,835.97, 25,992.50 and 11,286.23

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Solution

The fourth proportional to 18,835.97, 25,992.50 and 11,286.23 is: 15,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.97 : 25,992.50 = 11,286.23 : x
  2. Step 2: Convert to fraction form
    18,835.97/25,992.50 = 11,286.23/x
  3. Step 3: Cross multiply
    18,835.97x = 25,992.50 × 11,286.23
  4. Step 4: Simplify right side
    18,835.97x = 293,357,146.88
  5. Step 5: Solve for x
    x = 293,357,146.88/18,835.97
  6. Step 6: Final answer
    x = 15,574.31

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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.