Home / 19,530.54-26,951.82-11,148.66

Finding the Fourth Proportional to 19,530.54, 26,951.82 and 11,148.66

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Solution

The fourth proportional to 19,530.54, 26,951.82 and 11,148.66 is: 15,384.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.54 : 26,951.82 = 11,148.66 : x
  2. Step 2: Convert to fraction form
    19,530.54/26,951.82 = 11,148.66/x
  3. Step 3: Cross multiply
    19,530.54x = 26,951.82 × 11,148.66
  4. Step 4: Simplify right side
    19,530.54x = 300,476,677.56
  5. Step 5: Solve for x
    x = 300,476,677.56/19,530.54
  6. Step 6: Final answer
    x = 15,384.97

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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.