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Finding the Fourth Proportional to 14,893.35, 20,552.13 and 8,928.33

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Solution

The fourth proportional to 14,893.35, 20,552.13 and 8,928.33 is: 12,320.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,893.35 : 20,552.13 = 8,928.33 : x
  2. Step 2: Convert to fraction form
    14,893.35/20,552.13 = 8,928.33/x
  3. Step 3: Cross multiply
    14,893.35x = 20,552.13 × 8,928.33
  4. Step 4: Simplify right side
    14,893.35x = 183,496,198.84
  5. Step 5: Solve for x
    x = 183,496,198.84/14,893.35
  6. Step 6: Final answer
    x = 12,320.68

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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.