Home / 15,942.54-22,003.41-9,231.82

Finding the Fourth Proportional to 15,942.54, 22,003.41 and 9,231.82

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Solution

The fourth proportional to 15,942.54, 22,003.41 and 9,231.82 is: 12,741.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.54 : 22,003.41 = 9,231.82 : x
  2. Step 2: Convert to fraction form
    15,942.54/22,003.41 = 9,231.82/x
  3. Step 3: Cross multiply
    15,942.54x = 22,003.41 × 9,231.82
  4. Step 4: Simplify right side
    15,942.54x = 203,131,520.51
  5. Step 5: Solve for x
    x = 203,131,520.51/15,942.54
  6. Step 6: Final answer
    x = 12,741.48

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1.5x scale

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.