Home / 20,895.56-28,835.35-11,696.98

Finding the Fourth Proportional to 20,895.56, 28,835.35 and 11,696.98

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Solution

The fourth proportional to 20,895.56, 28,835.35 and 11,696.98 is: 16,141.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,895.56 : 28,835.35 = 11,696.98 : x
  2. Step 2: Convert to fraction form
    20,895.56/28,835.35 = 11,696.98/x
  3. Step 3: Cross multiply
    20,895.56x = 28,835.35 × 11,696.98
  4. Step 4: Simplify right side
    20,895.56x = 337,286,453.76
  5. Step 5: Solve for x
    x = 337,286,453.76/20,895.56
  6. Step 6: Final answer
    x = 16,141.54

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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.