Home / 18,742.16-25,863.46-10,786.94

Finding the Fourth Proportional to 18,742.16, 25,863.46 and 10,786.94

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Solution

The fourth proportional to 18,742.16, 25,863.46 and 10,786.94 is: 14,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.16 : 25,863.46 = 10,786.94 : x
  2. Step 2: Convert to fraction form
    18,742.16/25,863.46 = 10,786.94/x
  3. Step 3: Cross multiply
    18,742.16x = 25,863.46 × 10,786.94
  4. Step 4: Simplify right side
    18,742.16x = 278,987,591.21
  5. Step 5: Solve for x
    x = 278,987,591.21/18,742.16
  6. Step 6: Final answer
    x = 14,885.56

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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.