Home / 13,769.84-20,654.40-5,004.92

Finding the Fourth Proportional to 13,769.84, 20,654.40 and 5,004.92

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Solution

The fourth proportional to 13,769.84, 20,654.40 and 5,004.92 is: 7,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.84 : 20,654.40 = 5,004.92 : x
  2. Step 2: Convert to fraction form
    13,769.84/20,654.40 = 5,004.92/x
  3. Step 3: Cross multiply
    13,769.84x = 20,654.40 × 5,004.92
  4. Step 4: Simplify right side
    13,769.84x = 103,373,619.65
  5. Step 5: Solve for x
    x = 103,373,619.65/13,769.84
  6. Step 6: Final answer
    x = 7,507.25

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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.