Home / 13,723.56-20,586.56-3,862.94

Finding the Fourth Proportional to 13,723.56, 20,586.56 and 3,862.94

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Solution

The fourth proportional to 13,723.56, 20,586.56 and 3,862.94 is: 5,794.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.56 : 20,586.56 = 3,862.94 : x
  2. Step 2: Convert to fraction form
    13,723.56/20,586.56 = 3,862.94/x
  3. Step 3: Cross multiply
    13,723.56x = 20,586.56 × 3,862.94
  4. Step 4: Simplify right side
    13,723.56x = 79,524,523.84
  5. Step 5: Solve for x
    x = 79,524,523.84/13,723.56
  6. Step 6: Final answer
    x = 5,794.74

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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.