Home / 13,491.74-20,236.16-3,632.02

Finding the Fourth Proportional to 13,491.74, 20,236.16 and 3,632.02

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Solution

The fourth proportional to 13,491.74, 20,236.16 and 3,632.02 is: 5,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491.74 : 20,236.16 = 3,632.02 : x
  2. Step 2: Convert to fraction form
    13,491.74/20,236.16 = 3,632.02/x
  3. Step 3: Cross multiply
    13,491.74x = 20,236.16 × 3,632.02
  4. Step 4: Simplify right side
    13,491.74x = 73,498,096.33
  5. Step 5: Solve for x
    x = 73,498,096.33/13,491.74
  6. Step 6: Final answer
    x = 5,447.64

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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.