Home / 15,112.54-20,849.33-8,737.96

Finding the Fourth Proportional to 15,112.54, 20,849.33 and 8,737.96

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Solution

The fourth proportional to 15,112.54, 20,849.33 and 8,737.96 is: 12,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112.54 : 20,849.33 = 8,737.96 : x
  2. Step 2: Convert to fraction form
    15,112.54/20,849.33 = 8,737.96/x
  3. Step 3: Cross multiply
    15,112.54x = 20,849.33 × 8,737.96
  4. Step 4: Simplify right side
    15,112.54x = 182,180,611.57
  5. Step 5: Solve for x
    x = 182,180,611.57/15,112.54
  6. Step 6: Final answer
    x = 12,054.93

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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.