Home / 13,769.91-20,654.42-4,409.82

Finding the Fourth Proportional to 13,769.91, 20,654.42 and 4,409.82

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Solution

The fourth proportional to 13,769.91, 20,654.42 and 4,409.82 is: 6,614.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.91 : 20,654.42 = 4,409.82 : x
  2. Step 2: Convert to fraction form
    13,769.91/20,654.42 = 4,409.82/x
  3. Step 3: Cross multiply
    13,769.91x = 20,654.42 × 4,409.82
  4. Step 4: Simplify right side
    13,769.91x = 91,082,252.36
  5. Step 5: Solve for x
    x = 91,082,252.36/13,769.91
  6. Step 6: Final answer
    x = 6,614.59

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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.