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Finding the Fourth Proportional to 13,895.67, 20,843.47 and 10,737.71

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Solution

The fourth proportional to 13,895.67, 20,843.47 and 10,737.71 is: 16,106.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.67 : 20,843.47 = 10,737.71 : x
  2. Step 2: Convert to fraction form
    13,895.67/20,843.47 = 10,737.71/x
  3. Step 3: Cross multiply
    13,895.67x = 20,843.47 × 10,737.71
  4. Step 4: Simplify right side
    13,895.67x = 223,811,076.43
  5. Step 5: Solve for x
    x = 223,811,076.43/13,895.67
  6. Step 6: Final answer
    x = 16,106.53

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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.