Home / 23,198.90-32,007.11-13,635.72

Finding the Fourth Proportional to 23,198.90, 32,007.11 and 13,635.72

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Solution

The fourth proportional to 23,198.90, 32,007.11 and 13,635.72 is: 18,812.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,198.90 : 32,007.11 = 13,635.72 : x
  2. Step 2: Convert to fraction form
    23,198.90/32,007.11 = 13,635.72/x
  3. Step 3: Cross multiply
    23,198.90x = 32,007.11 × 13,635.72
  4. Step 4: Simplify right side
    23,198.90x = 436,439,921.79
  5. Step 5: Solve for x
    x = 436,439,921.79/23,198.90
  6. Step 6: Final answer
    x = 18,812.96

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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.