Home / 13,816.04-20,732.25-5,493.81

Finding the Fourth Proportional to 13,816.04, 20,732.25 and 5,493.81

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Solution

The fourth proportional to 13,816.04, 20,732.25 and 5,493.81 is: 8,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.04 : 20,732.25 = 5,493.81 : x
  2. Step 2: Convert to fraction form
    13,816.04/20,732.25 = 5,493.81/x
  3. Step 3: Cross multiply
    13,816.04x = 20,732.25 × 5,493.81
  4. Step 4: Simplify right side
    13,816.04x = 113,899,042.37
  5. Step 5: Solve for x
    x = 113,899,042.37/13,816.04
  6. Step 6: Final answer
    x = 8,243.97

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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.