Home / 22,680.94-34,024.39-7,890.98

Finding the Fourth Proportional to 22,680.94, 34,024.39 and 7,890.98

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Solution

The fourth proportional to 22,680.94, 34,024.39 and 7,890.98 is: 11,837.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680.94 : 34,024.39 = 7,890.98 : x
  2. Step 2: Convert to fraction form
    22,680.94/34,024.39 = 7,890.98/x
  3. Step 3: Cross multiply
    22,680.94x = 34,024.39 × 7,890.98
  4. Step 4: Simplify right side
    22,680.94x = 268,485,781.00
  5. Step 5: Solve for x
    x = 268,485,781.00/22,680.94
  6. Step 6: Final answer
    x = 11,837.51

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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.