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Finding the Fourth Proportional to 14,408.39, 19,883.69 and 8,035.39

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Solution

The fourth proportional to 14,408.39, 19,883.69 and 8,035.39 is: 11,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.39 : 19,883.69 = 8,035.39 : x
  2. Step 2: Convert to fraction form
    14,408.39/19,883.69 = 8,035.39/x
  3. Step 3: Cross multiply
    14,408.39x = 19,883.69 × 8,035.39
  4. Step 4: Simplify right side
    14,408.39x = 159,773,183.70
  5. Step 5: Solve for x
    x = 159,773,183.70/14,408.39
  6. Step 6: Final answer
    x = 11,088.90

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Half 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.