Home / 13,722.33-20,588.42-5,397.73

Finding the Fourth Proportional to 13,722.33, 20,588.42 and 5,397.73

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Solution

The fourth proportional to 13,722.33, 20,588.42 and 5,397.73 is: 8,098.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.33 : 20,588.42 = 5,397.73 : x
  2. Step 2: Convert to fraction form
    13,722.33/20,588.42 = 5,397.73/x
  3. Step 3: Cross multiply
    13,722.33x = 20,588.42 × 5,397.73
  4. Step 4: Simplify right side
    13,722.33x = 111,130,732.29
  5. Step 5: Solve for x
    x = 111,130,732.29/13,722.33
  6. Step 6: Final answer
    x = 8,098.53

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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.