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Finding the Fourth Proportional to 14,996.01, 20,696.11 and 11,212.65

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Solution

The fourth proportional to 14,996.01, 20,696.11 and 11,212.65 is: 15,474.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,996.01 : 20,696.11 = 11,212.65 : x
  2. Step 2: Convert to fraction form
    14,996.01/20,696.11 = 11,212.65/x
  3. Step 3: Cross multiply
    14,996.01x = 20,696.11 × 11,212.65
  4. Step 4: Simplify right side
    14,996.01x = 232,058,237.79
  5. Step 5: Solve for x
    x = 232,058,237.79/14,996.01
  6. Step 6: Final answer
    x = 15,474.67

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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.