Home / 22,930.90-31,644.78-13,376.34

Finding the Fourth Proportional to 22,930.90, 31,644.78 and 13,376.34

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Solution

The fourth proportional to 22,930.90, 31,644.78 and 13,376.34 is: 18,459.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930.90 : 31,644.78 = 13,376.34 : x
  2. Step 2: Convert to fraction form
    22,930.90/31,644.78 = 13,376.34/x
  3. Step 3: Cross multiply
    22,930.90x = 31,644.78 × 13,376.34
  4. Step 4: Simplify right side
    22,930.90x = 423,291,286.34
  5. Step 5: Solve for x
    x = 423,291,286.34/22,930.90
  6. Step 6: Final answer
    x = 18,459.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.