Home / 23,231.94-34,835.56-9,191.40

Finding the Fourth Proportional to 23,231.94, 34,835.56 and 9,191.40

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Solution

The fourth proportional to 23,231.94, 34,835.56 and 9,191.40 is: 13,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,231.94 : 34,835.56 = 9,191.40 : x
  2. Step 2: Convert to fraction form
    23,231.94/34,835.56 = 9,191.40/x
  3. Step 3: Cross multiply
    23,231.94x = 34,835.56 × 9,191.40
  4. Step 4: Simplify right side
    23,231.94x = 320,187,520.23
  5. Step 5: Solve for x
    x = 320,187,520.23/23,231.94
  6. Step 6: Final answer
    x = 13,782.21

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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.