Home / 21,942.85-32,913.94-5,302.76

Finding the Fourth Proportional to 21,942.85, 32,913.94 and 5,302.76

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Solution

The fourth proportional to 21,942.85, 32,913.94 and 5,302.76 is: 7,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942.85 : 32,913.94 = 5,302.76 : x
  2. Step 2: Convert to fraction form
    21,942.85/32,913.94 = 5,302.76/x
  3. Step 3: Cross multiply
    21,942.85x = 32,913.94 × 5,302.76
  4. Step 4: Simplify right side
    21,942.85x = 174,534,697.96
  5. Step 5: Solve for x
    x = 174,534,697.96/21,942.85
  6. Step 6: Final answer
    x = 7,954.06

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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.