Home / 16,105.49-22,374.39-15,961.31

Finding the Fourth Proportional to 16,105.49, 22,374.39 and 15,961.31

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Solution

The fourth proportional to 16,105.49, 22,374.39 and 15,961.31 is: 22,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,105.49 : 22,374.39 = 15,961.31 : x
  2. Step 2: Convert to fraction form
    16,105.49/22,374.39 = 15,961.31/x
  3. Step 3: Cross multiply
    16,105.49x = 22,374.39 × 15,961.31
  4. Step 4: Simplify right side
    16,105.49x = 357,124,534.95
  5. Step 5: Solve for x
    x = 357,124,534.95/16,105.49
  6. Step 6: Final answer
    x = 22,174.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.