Home / 22,664.31-31,267.79-13,102.43

Finding the Fourth Proportional to 22,664.31, 31,267.79 and 13,102.43

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Solution

The fourth proportional to 22,664.31, 31,267.79 and 13,102.43 is: 18,076.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,664.31 : 31,267.79 = 13,102.43 : x
  2. Step 2: Convert to fraction form
    22,664.31/31,267.79 = 13,102.43/x
  3. Step 3: Cross multiply
    22,664.31x = 31,267.79 × 13,102.43
  4. Step 4: Simplify right side
    22,664.31x = 409,684,103.04
  5. Step 5: Solve for x
    x = 409,684,103.04/22,664.31
  6. Step 6: Final answer
    x = 18,076.18

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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.