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Finding the Fourth Proportional to 14,467.59, 19,965.02 and 8,179.83

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Solution

The fourth proportional to 14,467.59, 19,965.02 and 8,179.83 is: 11,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,467.59 : 19,965.02 = 8,179.83 : x
  2. Step 2: Convert to fraction form
    14,467.59/19,965.02 = 8,179.83/x
  3. Step 3: Cross multiply
    14,467.59x = 19,965.02 × 8,179.83
  4. Step 4: Simplify right side
    14,467.59x = 163,310,428.65
  5. Step 5: Solve for x
    x = 163,310,428.65/14,467.59
  6. Step 6: Final answer
    x = 11,288.02

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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.