Home / 18,964.30-26,165.33-11,406.85

Finding the Fourth Proportional to 18,964.30, 26,165.33 and 11,406.85

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Solution

The fourth proportional to 18,964.30, 26,165.33 and 11,406.85 is: 15,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.30 : 26,165.33 = 11,406.85 : x
  2. Step 2: Convert to fraction form
    18,964.30/26,165.33 = 11,406.85/x
  3. Step 3: Cross multiply
    18,964.30x = 26,165.33 × 11,406.85
  4. Step 4: Simplify right side
    18,964.30x = 298,463,863.68
  5. Step 5: Solve for x
    x = 298,463,863.68/18,964.30
  6. Step 6: Final answer
    x = 15,738.20

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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.