Home / 21,601.08-32,382.18-11,181.24

Finding the Fourth Proportional to 21,601.08, 32,382.18 and 11,181.24

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Solution

The fourth proportional to 21,601.08, 32,382.18 and 11,181.24 is: 16,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.08 : 32,382.18 = 11,181.24 : x
  2. Step 2: Convert to fraction form
    21,601.08/32,382.18 = 11,181.24/x
  3. Step 3: Cross multiply
    21,601.08x = 32,382.18 × 11,181.24
  4. Step 4: Simplify right side
    21,601.08x = 362,072,926.30
  5. Step 5: Solve for x
    x = 362,072,926.30/21,601.08
  6. Step 6: Final answer
    x = 16,761.80

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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.