Home / 13,853.27-20,775.53-4,491.12

Finding the Fourth Proportional to 13,853.27, 20,775.53 and 4,491.12

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Solution

The fourth proportional to 13,853.27, 20,775.53 and 4,491.12 is: 6,735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.27 : 20,775.53 = 4,491.12 : x
  2. Step 2: Convert to fraction form
    13,853.27/20,775.53 = 4,491.12/x
  3. Step 3: Cross multiply
    13,853.27x = 20,775.53 × 4,491.12
  4. Step 4: Simplify right side
    13,853.27x = 93,305,375.84
  5. Step 5: Solve for x
    x = 93,305,375.84/13,853.27
  6. Step 6: Final answer
    x = 6,735.26

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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.