Home / 19,988.35-27,583.94-11,035.85

Finding the Fourth Proportional to 19,988.35, 27,583.94 and 11,035.85

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Solution

The fourth proportional to 19,988.35, 27,583.94 and 11,035.85 is: 15,229.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.35 : 27,583.94 = 11,035.85 : x
  2. Step 2: Convert to fraction form
    19,988.35/27,583.94 = 11,035.85/x
  3. Step 3: Cross multiply
    19,988.35x = 27,583.94 × 11,035.85
  4. Step 4: Simplify right side
    19,988.35x = 304,412,113.92
  5. Step 5: Solve for x
    x = 304,412,113.92/19,988.35
  6. Step 6: Final answer
    x = 15,229.48

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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.