Home / 14,489.36-20,004.92-11,126.14

Finding the Fourth Proportional to 14,489.36, 20,004.92 and 11,126.14

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Solution

The fourth proportional to 14,489.36, 20,004.92 and 11,126.14 is: 15,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.36 : 20,004.92 = 11,126.14 : x
  2. Step 2: Convert to fraction form
    14,489.36/20,004.92 = 11,126.14/x
  3. Step 3: Cross multiply
    14,489.36x = 20,004.92 × 11,126.14
  4. Step 4: Simplify right side
    14,489.36x = 222,577,651.80
  5. Step 5: Solve for x
    x = 222,577,651.80/14,489.36
  6. Step 6: Final answer
    x = 15,361.45

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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.