Home / 23,211.28-34,828.43-9,181.37

Finding the Fourth Proportional to 23,211.28, 34,828.43 and 9,181.37

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Solution

The fourth proportional to 23,211.28, 34,828.43 and 9,181.37 is: 13,776.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,211.28 : 34,828.43 = 9,181.37 : x
  2. Step 2: Convert to fraction form
    23,211.28/34,828.43 = 9,181.37/x
  3. Step 3: Cross multiply
    23,211.28x = 34,828.43 × 9,181.37
  4. Step 4: Simplify right side
    23,211.28x = 319,772,702.35
  5. Step 5: Solve for x
    x = 319,772,702.35/23,211.28
  6. Step 6: Final answer
    x = 13,776.61

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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.