Home / 13,734.37-20,612.49-5,416.48

Finding the Fourth Proportional to 13,734.37, 20,612.49 and 5,416.48

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Solution

The fourth proportional to 13,734.37, 20,612.49 and 5,416.48 is: 8,129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.37 : 20,612.49 = 5,416.48 : x
  2. Step 2: Convert to fraction form
    13,734.37/20,612.49 = 5,416.48/x
  3. Step 3: Cross multiply
    13,734.37x = 20,612.49 × 5,416.48
  4. Step 4: Simplify right side
    13,734.37x = 111,647,036.77
  5. Step 5: Solve for x
    x = 111,647,036.77/13,734.37
  6. Step 6: Final answer
    x = 8,129.03

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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.