Home / 19,842.17-27,381.34-10,889.82

Finding the Fourth Proportional to 19,842.17, 27,381.34 and 10,889.82

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Solution

The fourth proportional to 19,842.17, 27,381.34 and 10,889.82 is: 15,027.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.17 : 27,381.34 = 10,889.82 : x
  2. Step 2: Convert to fraction form
    19,842.17/27,381.34 = 10,889.82/x
  3. Step 3: Cross multiply
    19,842.17x = 27,381.34 × 10,889.82
  4. Step 4: Simplify right side
    19,842.17x = 298,177,919.00
  5. Step 5: Solve for x
    x = 298,177,919.00/19,842.17
  6. Step 6: Final answer
    x = 15,027.49

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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.