Home / 16,785.21-25,162.09-5,684.14

Finding the Fourth Proportional to 16,785.21, 25,162.09 and 5,684.14

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Solution

The fourth proportional to 16,785.21, 25,162.09 and 5,684.14 is: 8,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.21 : 25,162.09 = 5,684.14 : x
  2. Step 2: Convert to fraction form
    16,785.21/25,162.09 = 5,684.14/x
  3. Step 3: Cross multiply
    16,785.21x = 25,162.09 × 5,684.14
  4. Step 4: Simplify right side
    16,785.21x = 143,024,765.14
  5. Step 5: Solve for x
    x = 143,024,765.14/16,785.21
  6. Step 6: Final answer
    x = 8,520.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.