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Finding the Fourth Proportional to 14,960.15, 20,645.15 and 8,246.04

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Solution

The fourth proportional to 14,960.15, 20,645.15 and 8,246.04 is: 11,379.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,960.15 : 20,645.15 = 8,246.04 : x
  2. Step 2: Convert to fraction form
    14,960.15/20,645.15 = 8,246.04/x
  3. Step 3: Cross multiply
    14,960.15x = 20,645.15 × 8,246.04
  4. Step 4: Simplify right side
    14,960.15x = 170,240,753.32
  5. Step 5: Solve for x
    x = 170,240,753.32/14,960.15
  6. Step 6: Final answer
    x = 11,379.61

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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.