Home / 16,863.57-25,282.86-8,090.13

Finding the Fourth Proportional to 16,863.57, 25,282.86 and 8,090.13

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Solution

The fourth proportional to 16,863.57, 25,282.86 and 8,090.13 is: 12,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.57 : 25,282.86 = 8,090.13 : x
  2. Step 2: Convert to fraction form
    16,863.57/25,282.86 = 8,090.13/x
  3. Step 3: Cross multiply
    16,863.57x = 25,282.86 × 8,090.13
  4. Step 4: Simplify right side
    16,863.57x = 204,541,624.17
  5. Step 5: Solve for x
    x = 204,541,624.17/16,863.57
  6. Step 6: Final answer
    x = 12,129.20

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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.