Home / 21,876.26-32,818.72-8,025.38

Finding the Fourth Proportional to 21,876.26, 32,818.72 and 8,025.38

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Solution

The fourth proportional to 21,876.26, 32,818.72 and 8,025.38 is: 12,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,876.26 : 32,818.72 = 8,025.38 : x
  2. Step 2: Convert to fraction form
    21,876.26/32,818.72 = 8,025.38/x
  3. Step 3: Cross multiply
    21,876.26x = 32,818.72 × 8,025.38
  4. Step 4: Simplify right side
    21,876.26x = 263,382,699.11
  5. Step 5: Solve for x
    x = 263,382,699.11/21,876.26
  6. Step 6: Final answer
    x = 12,039.66

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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.