Home / 13,556.05-20,333.48-3,695.33

Finding the Fourth Proportional to 13,556.05, 20,333.48 and 3,695.33

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Solution

The fourth proportional to 13,556.05, 20,333.48 and 3,695.33 is: 5,542.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.05 : 20,333.48 = 3,695.33 : x
  2. Step 2: Convert to fraction form
    13,556.05/20,333.48 = 3,695.33/x
  3. Step 3: Cross multiply
    13,556.05x = 20,333.48 × 3,695.33
  4. Step 4: Simplify right side
    13,556.05x = 75,138,900.17
  5. Step 5: Solve for x
    x = 75,138,900.17/13,556.05
  6. Step 6: Final answer
    x = 5,542.83

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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.