Home / 18,816.93-25,961.43-11,747.44

Finding the Fourth Proportional to 18,816.93, 25,961.43 and 11,747.44

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Solution

The fourth proportional to 18,816.93, 25,961.43 and 11,747.44 is: 16,207.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.93 : 25,961.43 = 11,747.44 : x
  2. Step 2: Convert to fraction form
    18,816.93/25,961.43 = 11,747.44/x
  3. Step 3: Cross multiply
    18,816.93x = 25,961.43 × 11,747.44
  4. Step 4: Simplify right side
    18,816.93x = 304,980,341.24
  5. Step 5: Solve for x
    x = 304,980,341.24/18,816.93
  6. Step 6: Final answer
    x = 16,207.76

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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.