Home / 13,942.53-20,913.93-4,082.00

Finding the Fourth Proportional to 13,942.53, 20,913.93 and 4,082.00

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Solution

The fourth proportional to 13,942.53, 20,913.93 and 4,082.00 is: 6,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.53 : 20,913.93 = 4,082.00 : x
  2. Step 2: Convert to fraction form
    13,942.53/20,913.93 = 4,082.00/x
  3. Step 3: Cross multiply
    13,942.53x = 20,913.93 × 4,082.00
  4. Step 4: Simplify right side
    13,942.53x = 85,370,557.69
  5. Step 5: Solve for x
    x = 85,370,557.69/13,942.53
  6. Step 6: Final answer
    x = 6,123.03

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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.