Home / 19,755.14-27,264.64-11,260.36

Finding the Fourth Proportional to 19,755.14, 27,264.64 and 11,260.36

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Solution

The fourth proportional to 19,755.14, 27,264.64 and 11,260.36 is: 15,540.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.14 : 27,264.64 = 11,260.36 : x
  2. Step 2: Convert to fraction form
    19,755.14/27,264.64 = 11,260.36/x
  3. Step 3: Cross multiply
    19,755.14x = 27,264.64 × 11,260.36
  4. Step 4: Simplify right side
    19,755.14x = 307,009,661.67
  5. Step 5: Solve for x
    x = 307,009,661.67/19,755.14
  6. Step 6: Final answer
    x = 15,540.75

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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.