Home / 13,655.81-20,484.83-3,795.09

Finding the Fourth Proportional to 13,655.81, 20,484.83 and 3,795.09

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Solution

The fourth proportional to 13,655.81, 20,484.83 and 3,795.09 is: 5,692.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.81 : 20,484.83 = 3,795.09 : x
  2. Step 2: Convert to fraction form
    13,655.81/20,484.83 = 3,795.09/x
  3. Step 3: Cross multiply
    13,655.81x = 20,484.83 × 3,795.09
  4. Step 4: Simplify right side
    13,655.81x = 77,741,782.97
  5. Step 5: Solve for x
    x = 77,741,782.97/13,655.81
  6. Step 6: Final answer
    x = 5,692.94

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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.