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Finding the Fourth Proportional to 14,855.73, 20,504.12 and 8,888.73

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Solution

The fourth proportional to 14,855.73, 20,504.12 and 8,888.73 is: 12,268.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,855.73 : 20,504.12 = 8,888.73 : x
  2. Step 2: Convert to fraction form
    14,855.73/20,504.12 = 8,888.73/x
  3. Step 3: Cross multiply
    14,855.73x = 20,504.12 × 8,888.73
  4. Step 4: Simplify right side
    14,855.73x = 182,255,542.12
  5. Step 5: Solve for x
    x = 182,255,542.12/14,855.73
  6. Step 6: Final answer
    x = 12,268.37

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Half scale
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Double scale
Find fourth proportional to 14,856.73, 20,505.50 and 8,889.73
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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.