Home / 21,367.16-32,062.20-8,895.78

Finding the Fourth Proportional to 21,367.16, 32,062.20 and 8,895.78

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Solution

The fourth proportional to 21,367.16, 32,062.20 and 8,895.78 is: 13,348.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367.16 : 32,062.20 = 8,895.78 : x
  2. Step 2: Convert to fraction form
    21,367.16/32,062.20 = 8,895.78/x
  3. Step 3: Cross multiply
    21,367.16x = 32,062.20 × 8,895.78
  4. Step 4: Simplify right side
    21,367.16x = 285,218,277.52
  5. Step 5: Solve for x
    x = 285,218,277.52/21,367.16
  6. Step 6: Final answer
    x = 13,348.44

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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.