Home / 21,932.76-32,916.15-8,793.75

Finding the Fourth Proportional to 21,932.76, 32,916.15 and 8,793.75

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Solution

The fourth proportional to 21,932.76, 32,916.15 and 8,793.75 is: 13,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932.76 : 32,916.15 = 8,793.75 : x
  2. Step 2: Convert to fraction form
    21,932.76/32,916.15 = 8,793.75/x
  3. Step 3: Cross multiply
    21,932.76x = 32,916.15 × 8,793.75
  4. Step 4: Simplify right side
    21,932.76x = 289,456,394.06
  5. Step 5: Solve for x
    x = 289,456,394.06/21,932.76
  6. Step 6: Final answer
    x = 13,197.45

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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.