Home / 13,461.55-20,190.73-3,601.59

Finding the Fourth Proportional to 13,461.55, 20,190.73 and 3,601.59

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Solution

The fourth proportional to 13,461.55, 20,190.73 and 3,601.59 is: 5,401.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.55 : 20,190.73 = 3,601.59 : x
  2. Step 2: Convert to fraction form
    13,461.55/20,190.73 = 3,601.59/x
  3. Step 3: Cross multiply
    13,461.55x = 20,190.73 × 3,601.59
  4. Step 4: Simplify right side
    13,461.55x = 72,718,731.26
  5. Step 5: Solve for x
    x = 72,718,731.26/13,461.55
  6. Step 6: Final answer
    x = 5,401.96

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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.