Home / 19,103.56-26,361.66-11,144.50

Finding the Fourth Proportional to 19,103.56, 26,361.66 and 11,144.50

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Solution

The fourth proportional to 19,103.56, 26,361.66 and 11,144.50 is: 15,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.56 : 26,361.66 = 11,144.50 : x
  2. Step 2: Convert to fraction form
    19,103.56/26,361.66 = 11,144.50/x
  3. Step 3: Cross multiply
    19,103.56x = 26,361.66 × 11,144.50
  4. Step 4: Simplify right side
    19,103.56x = 293,787,519.87
  5. Step 5: Solve for x
    x = 293,787,519.87/19,103.56
  6. Step 6: Final answer
    x = 15,378.68

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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.