Home / 20,061.23-27,676.39-11,558.79

Finding the Fourth Proportional to 20,061.23, 27,676.39 and 11,558.79

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Solution

The fourth proportional to 20,061.23, 27,676.39 and 11,558.79 is: 15,946.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061.23 : 27,676.39 = 11,558.79 : x
  2. Step 2: Convert to fraction form
    20,061.23/27,676.39 = 11,558.79/x
  3. Step 3: Cross multiply
    20,061.23x = 27,676.39 × 11,558.79
  4. Step 4: Simplify right side
    20,061.23x = 319,905,579.97
  5. Step 5: Solve for x
    x = 319,905,579.97/20,061.23
  6. Step 6: Final answer
    x = 15,946.46

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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.