Home / 13,416.24-20,124.35-3,556.29

Finding the Fourth Proportional to 13,416.24, 20,124.35 and 3,556.29

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Solution

The fourth proportional to 13,416.24, 20,124.35 and 3,556.29 is: 5,334.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.24 : 20,124.35 = 3,556.29 : x
  2. Step 2: Convert to fraction form
    13,416.24/20,124.35 = 3,556.29/x
  3. Step 3: Cross multiply
    13,416.24x = 20,124.35 × 3,556.29
  4. Step 4: Simplify right side
    13,416.24x = 71,568,024.66
  5. Step 5: Solve for x
    x = 71,568,024.66/13,416.24
  6. Step 6: Final answer
    x = 5,334.43

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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.