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Finding the Fourth Proportional to 14,619.08, 20,175.54 and 8,332.04

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Solution

The fourth proportional to 14,619.08, 20,175.54 and 8,332.04 is: 11,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.08 : 20,175.54 = 8,332.04 : x
  2. Step 2: Convert to fraction form
    14,619.08/20,175.54 = 8,332.04/x
  3. Step 3: Cross multiply
    14,619.08x = 20,175.54 × 8,332.04
  4. Step 4: Simplify right side
    14,619.08x = 168,103,406.30
  5. Step 5: Solve for x
    x = 168,103,406.30/14,619.08
  6. Step 6: Final answer
    x = 11,498.90

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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.