Home / 23,110.20-34,742.64-18,238.56

Finding the Fourth Proportional to 23,110.20, 34,742.64 and 18,238.56

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Solution

The fourth proportional to 23,110.20, 34,742.64 and 18,238.56 is: 27,418.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,110.20 : 34,742.64 = 18,238.56 : x
  2. Step 2: Convert to fraction form
    23,110.20/34,742.64 = 18,238.56/x
  3. Step 3: Cross multiply
    23,110.20x = 34,742.64 × 18,238.56
  4. Step 4: Simplify right side
    23,110.20x = 633,655,724.20
  5. Step 5: Solve for x
    x = 633,655,724.20/23,110.20
  6. Step 6: Final answer
    x = 27,418.88

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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.