Home / 16,864.57-25,284.36-8,091.13

Finding the Fourth Proportional to 16,864.57, 25,284.36 and 8,091.13

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Solution

The fourth proportional to 16,864.57, 25,284.36 and 8,091.13 is: 12,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.57 : 25,284.36 = 8,091.13 : x
  2. Step 2: Convert to fraction form
    16,864.57/25,284.36 = 8,091.13/x
  3. Step 3: Cross multiply
    16,864.57x = 25,284.36 × 8,091.13
  4. Step 4: Simplify right side
    16,864.57x = 204,579,043.73
  5. Step 5: Solve for x
    x = 204,579,043.73/16,864.57
  6. Step 6: Final answer
    x = 12,130.70

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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.