Home / 13,655.57-20,484.46-3,794.84

Finding the Fourth Proportional to 13,655.57, 20,484.46 and 3,794.84

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Solution

The fourth proportional to 13,655.57, 20,484.46 and 3,794.84 is: 5,692.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.57 : 20,484.46 = 3,794.84 : x
  2. Step 2: Convert to fraction form
    13,655.57/20,484.46 = 3,794.84/x
  3. Step 3: Cross multiply
    13,655.57x = 20,484.46 × 3,794.84
  4. Step 4: Simplify right side
    13,655.57x = 77,735,229.21
  5. Step 5: Solve for x
    x = 77,735,229.21/13,655.57
  6. Step 6: Final answer
    x = 5,692.57

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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.