Home / 15,156.33-20,916.39-8,441.96

Finding the Fourth Proportional to 15,156.33, 20,916.39 and 8,441.96

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Solution

The fourth proportional to 15,156.33, 20,916.39 and 8,441.96 is: 11,650.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,156.33 : 20,916.39 = 8,441.96 : x
  2. Step 2: Convert to fraction form
    15,156.33/20,916.39 = 8,441.96/x
  3. Step 3: Cross multiply
    15,156.33x = 20,916.39 × 8,441.96
  4. Step 4: Simplify right side
    15,156.33x = 176,575,327.72
  5. Step 5: Solve for x
    x = 176,575,327.72/15,156.33
  6. Step 6: Final answer
    x = 11,650.27

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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.