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Finding the Fourth Proportional to 13,151.00, 19,736.96 and 6,914.67

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Solution

The fourth proportional to 13,151.00, 19,736.96 and 6,914.67 is: 10,377.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.00 : 19,736.96 = 6,914.67 : x
  2. Step 2: Convert to fraction form
    13,151.00/19,736.96 = 6,914.67/x
  3. Step 3: Cross multiply
    13,151.00x = 19,736.96 × 6,914.67
  4. Step 4: Simplify right side
    13,151.00x = 136,474,530.63
  5. Step 5: Solve for x
    x = 136,474,530.63/13,151.00
  6. Step 6: Final answer
    x = 10,377.51

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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.