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Finding the Fourth Proportional to 20,009.44, 27,596.24 and 14,985.44

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Solution

The fourth proportional to 20,009.44, 27,596.24 and 14,985.44 is: 20,667.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.44 : 27,596.24 = 14,985.44 : x
  2. Step 2: Convert to fraction form
    20,009.44/27,596.24 = 14,985.44/x
  3. Step 3: Cross multiply
    20,009.44x = 27,596.24 × 14,985.44
  4. Step 4: Simplify right side
    20,009.44x = 413,541,798.75
  5. Step 5: Solve for x
    x = 413,541,798.75/20,009.44
  6. Step 6: Final answer
    x = 20,667.33

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Half scale
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Double scale
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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.