Home / 13,962.38-20,942.76-5,193.32

Finding the Fourth Proportional to 13,962.38, 20,942.76 and 5,193.32

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Solution

The fourth proportional to 13,962.38, 20,942.76 and 5,193.32 is: 7,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.38 : 20,942.76 = 5,193.32 : x
  2. Step 2: Convert to fraction form
    13,962.38/20,942.76 = 5,193.32/x
  3. Step 3: Cross multiply
    13,962.38x = 20,942.76 × 5,193.32
  4. Step 4: Simplify right side
    13,962.38x = 108,762,454.36
  5. Step 5: Solve for x
    x = 108,762,454.36/13,962.38
  6. Step 6: Final answer
    x = 7,789.68

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1.5x scale

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.