Home / 16,310.08-22,507.84-8,857.92

Finding the Fourth Proportional to 16,310.08, 22,507.84 and 8,857.92

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Solution

The fourth proportional to 16,310.08, 22,507.84 and 8,857.92 is: 12,223.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,310.08 : 22,507.84 = 8,857.92 : x
  2. Step 2: Convert to fraction form
    16,310.08/22,507.84 = 8,857.92/x
  3. Step 3: Cross multiply
    16,310.08x = 22,507.84 × 8,857.92
  4. Step 4: Simplify right side
    16,310.08x = 199,372,646.09
  5. Step 5: Solve for x
    x = 199,372,646.09/16,310.08
  6. Step 6: Final answer
    x = 12,223.89

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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.