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Finding the Fourth Proportional to 14,960.76, 20,646.08 and 8,246.30

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Solution

The fourth proportional to 14,960.76, 20,646.08 and 8,246.30 is: 11,380.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,960.76 : 20,646.08 = 8,246.30 : x
  2. Step 2: Convert to fraction form
    14,960.76/20,646.08 = 8,246.30/x
  3. Step 3: Cross multiply
    14,960.76x = 20,646.08 × 8,246.30
  4. Step 4: Simplify right side
    14,960.76x = 170,253,625.04
  5. Step 5: Solve for x
    x = 170,253,625.04/14,960.76
  6. Step 6: Final answer
    x = 11,380.01

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Half scale
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Double scale
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Similar ratio
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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.