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Finding the Fourth Proportional to 13,796.52, 20,707.74 and 10,737.96

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Solution

The fourth proportional to 13,796.52, 20,707.74 and 10,737.96 is: 16,117.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796.52 : 20,707.74 = 10,737.96 : x
  2. Step 2: Convert to fraction form
    13,796.52/20,707.74 = 10,737.96/x
  3. Step 3: Cross multiply
    13,796.52x = 20,707.74 × 10,737.96
  4. Step 4: Simplify right side
    13,796.52x = 222,358,883.81
  5. Step 5: Solve for x
    x = 222,358,883.81/13,796.52
  6. Step 6: Final answer
    x = 16,117.03

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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.