Home / 13,967.27-20,948.05-4,103.90

Finding the Fourth Proportional to 13,967.27, 20,948.05 and 4,103.90

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Solution

The fourth proportional to 13,967.27, 20,948.05 and 4,103.90 is: 6,155.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.27 : 20,948.05 = 4,103.90 : x
  2. Step 2: Convert to fraction form
    13,967.27/20,948.05 = 4,103.90/x
  3. Step 3: Cross multiply
    13,967.27x = 20,948.05 × 4,103.90
  4. Step 4: Simplify right side
    13,967.27x = 85,968,692.14
  5. Step 5: Solve for x
    x = 85,968,692.14/13,967.27
  6. Step 6: Final answer
    x = 6,155.01

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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.