Home / 19,806.90-27,332.70-11,844.42

Finding the Fourth Proportional to 19,806.90, 27,332.70 and 11,844.42

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Solution

The fourth proportional to 19,806.90, 27,332.70 and 11,844.42 is: 16,344.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.90 : 27,332.70 = 11,844.42 : x
  2. Step 2: Convert to fraction form
    19,806.90/27,332.70 = 11,844.42/x
  3. Step 3: Cross multiply
    19,806.90x = 27,332.70 × 11,844.42
  4. Step 4: Simplify right side
    19,806.90x = 323,739,978.53
  5. Step 5: Solve for x
    x = 323,739,978.53/19,806.90
  6. Step 6: Final answer
    x = 16,344.81

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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.