Home / 13,974.38-20,965.88-4,846.40

Finding the Fourth Proportional to 13,974.38, 20,965.88 and 4,846.40

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Solution

The fourth proportional to 13,974.38, 20,965.88 and 4,846.40 is: 7,271.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.38 : 20,965.88 = 4,846.40 : x
  2. Step 2: Convert to fraction form
    13,974.38/20,965.88 = 4,846.40/x
  3. Step 3: Cross multiply
    13,974.38x = 20,965.88 × 4,846.40
  4. Step 4: Simplify right side
    13,974.38x = 101,608,911.77
  5. Step 5: Solve for x
    x = 101,608,911.77/13,974.38
  6. Step 6: Final answer
    x = 7,271.09

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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.