Home / 18,923.88-26,115.66-10,540.92

Finding the Fourth Proportional to 18,923.88, 26,115.66 and 10,540.92

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Solution

The fourth proportional to 18,923.88, 26,115.66 and 10,540.92 is: 14,546.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923.88 : 26,115.66 = 10,540.92 : x
  2. Step 2: Convert to fraction form
    18,923.88/26,115.66 = 10,540.92/x
  3. Step 3: Cross multiply
    18,923.88x = 26,115.66 × 10,540.92
  4. Step 4: Simplify right side
    18,923.88x = 275,283,082.81
  5. Step 5: Solve for x
    x = 275,283,082.81/18,923.88
  6. Step 6: Final answer
    x = 14,546.86

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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.