Home / 19,844.52-27,396.54-13,505.28

Finding the Fourth Proportional to 19,844.52, 27,396.54 and 13,505.28

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Solution

The fourth proportional to 19,844.52, 27,396.54 and 13,505.28 is: 18,644.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,844.52 : 27,396.54 = 13,505.28 : x
  2. Step 2: Convert to fraction form
    19,844.52/27,396.54 = 13,505.28/x
  3. Step 3: Cross multiply
    19,844.52x = 27,396.54 × 13,505.28
  4. Step 4: Simplify right side
    19,844.52x = 369,997,943.73
  5. Step 5: Solve for x
    x = 369,997,943.73/19,844.52
  6. Step 6: Final answer
    x = 18,644.84

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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.