Home / 16,138.08-22,247.20-11,343.52

Finding the Fourth Proportional to 16,138.08, 22,247.20 and 11,343.52

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Solution

The fourth proportional to 16,138.08, 22,247.20 and 11,343.52 is: 15,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138.08 : 22,247.20 = 11,343.52 : x
  2. Step 2: Convert to fraction form
    16,138.08/22,247.20 = 11,343.52/x
  3. Step 3: Cross multiply
    16,138.08x = 22,247.20 × 11,343.52
  4. Step 4: Simplify right side
    16,138.08x = 252,361,558.14
  5. Step 5: Solve for x
    x = 252,361,558.14/16,138.08
  6. Step 6: Final answer
    x = 15,637.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.