Home / 22,961.14-31,678.22-15,007.95

Finding the Fourth Proportional to 22,961.14, 31,678.22 and 15,007.95

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Solution

The fourth proportional to 22,961.14, 31,678.22 and 15,007.95 is: 20,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,961.14 : 31,678.22 = 15,007.95 : x
  2. Step 2: Convert to fraction form
    22,961.14/31,678.22 = 15,007.95/x
  3. Step 3: Cross multiply
    22,961.14x = 31,678.22 × 15,007.95
  4. Step 4: Simplify right side
    22,961.14x = 475,425,141.85
  5. Step 5: Solve for x
    x = 475,425,141.85/22,961.14
  6. Step 6: Final answer
    x = 20,705.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.