Home / 19,854.05-27,396.58-11,896.07

Finding the Fourth Proportional to 19,854.05, 27,396.58 and 11,896.07

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Solution

The fourth proportional to 19,854.05, 27,396.58 and 11,896.07 is: 16,415.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854.05 : 27,396.58 = 11,896.07 : x
  2. Step 2: Convert to fraction form
    19,854.05/27,396.58 = 11,896.07/x
  3. Step 3: Cross multiply
    19,854.05x = 27,396.58 × 11,896.07
  4. Step 4: Simplify right side
    19,854.05x = 325,911,573.96
  5. Step 5: Solve for x
    x = 325,911,573.96/19,854.05
  6. Step 6: Final answer
    x = 16,415.37

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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.