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Finding the Fourth Proportional to 14,482.20, 19,984.86 and 8,195.88

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Solution

The fourth proportional to 14,482.20, 19,984.86 and 8,195.88 is: 11,309.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.20 : 19,984.86 = 8,195.88 : x
  2. Step 2: Convert to fraction form
    14,482.20/19,984.86 = 8,195.88/x
  3. Step 3: Cross multiply
    14,482.20x = 19,984.86 × 8,195.88
  4. Step 4: Simplify right side
    14,482.20x = 163,793,514.38
  5. Step 5: Solve for x
    x = 163,793,514.38/14,482.20
  6. Step 6: Final answer
    x = 11,309.99

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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.