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Finding the Fourth Proportional to 16,250.40, 22,425.63 and 8,798.40

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Solution

The fourth proportional to 16,250.40, 22,425.63 and 8,798.40 is: 12,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,250.40 : 22,425.63 = 8,798.40 : x
  2. Step 2: Convert to fraction form
    16,250.40/22,425.63 = 8,798.40/x
  3. Step 3: Cross multiply
    16,250.40x = 22,425.63 × 8,798.40
  4. Step 4: Simplify right side
    16,250.40x = 197,309,662.99
  5. Step 5: Solve for x
    x = 197,309,662.99/16,250.40
  6. Step 6: Final answer
    x = 12,141.83

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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.