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Finding the Fourth Proportional to 14,395.57, 21,593.36 and 8,235.25

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Solution

The fourth proportional to 14,395.57, 21,593.36 and 8,235.25 is: 12,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.57 : 21,593.36 = 8,235.25 : x
  2. Step 2: Convert to fraction form
    14,395.57/21,593.36 = 8,235.25/x
  3. Step 3: Cross multiply
    14,395.57x = 21,593.36 × 8,235.25
  4. Step 4: Simplify right side
    14,395.57x = 177,826,676.76
  5. Step 5: Solve for x
    x = 177,826,676.76/14,395.57
  6. Step 6: Final answer
    x = 12,352.88

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.