Home / 18,923.97-26,116.25-10,540.47

Finding the Fourth Proportional to 18,923.97, 26,116.25 and 10,540.47

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Solution

The fourth proportional to 18,923.97, 26,116.25 and 10,540.47 is: 14,546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923.97 : 26,116.25 = 10,540.47 : x
  2. Step 2: Convert to fraction form
    18,923.97/26,116.25 = 10,540.47/x
  3. Step 3: Cross multiply
    18,923.97x = 26,116.25 × 10,540.47
  4. Step 4: Simplify right side
    18,923.97x = 275,277,496.94
  5. Step 5: Solve for x
    x = 275,277,496.94/18,923.97
  6. Step 6: Final answer
    x = 14,546.50

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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.