Home / 20,926.56-31,383.17-6,883.37

Finding the Fourth Proportional to 20,926.56, 31,383.17 and 6,883.37

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Solution

The fourth proportional to 20,926.56, 31,383.17 and 6,883.37 is: 10,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,926.56 : 31,383.17 = 6,883.37 : x
  2. Step 2: Convert to fraction form
    20,926.56/31,383.17 = 6,883.37/x
  3. Step 3: Cross multiply
    20,926.56x = 31,383.17 × 6,883.37
  4. Step 4: Simplify right side
    20,926.56x = 216,021,779.55
  5. Step 5: Solve for x
    x = 216,021,779.55/20,926.56
  6. Step 6: Final answer
    x = 10,322.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.