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Finding the Fourth Proportional to 14,481.05, 19,984.63 and 8,814.90

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Solution

The fourth proportional to 14,481.05, 19,984.63 and 8,814.90 is: 12,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481.05 : 19,984.63 = 8,814.90 : x
  2. Step 2: Convert to fraction form
    14,481.05/19,984.63 = 8,814.90/x
  3. Step 3: Cross multiply
    14,481.05x = 19,984.63 × 8,814.90
  4. Step 4: Simplify right side
    14,481.05x = 176,162,514.99
  5. Step 5: Solve for x
    x = 176,162,514.99/14,481.05
  6. Step 6: Final answer
    x = 12,165.04

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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.