Home / 21,961.08-32,948.46-7,173

Finding the Fourth Proportional to 21,961.08, 32,948.46 and 7,173

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Solution

The fourth proportional to 21,961.08, 32,948.46 and 7,173 is: 10,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,961.08 : 32,948.46 = 7,173 : x
  2. Step 2: Convert to fraction form
    21,961.08/32,948.46 = 7,173/x
  3. Step 3: Cross multiply
    21,961.08x = 32,948.46 × 7,173
  4. Step 4: Simplify right side
    21,961.08x = 236,339,303.58
  5. Step 5: Solve for x
    x = 236,339,303.58/21,961.08
  6. Step 6: Final answer
    x = 10,761.73

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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.