Home / 14,954.24-20,621.22-11,171.48

Finding the Fourth Proportional to 14,954.24, 20,621.22 and 11,171.48

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Solution

The fourth proportional to 14,954.24, 20,621.22 and 11,171.48 is: 15,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,954.24 : 20,621.22 = 11,171.48 : x
  2. Step 2: Convert to fraction form
    14,954.24/20,621.22 = 11,171.48/x
  3. Step 3: Cross multiply
    14,954.24x = 20,621.22 × 11,171.48
  4. Step 4: Simplify right side
    14,954.24x = 230,369,546.81
  5. Step 5: Solve for x
    x = 230,369,546.81/14,954.24
  6. Step 6: Final answer
    x = 15,404.97

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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.