Home / 13,425.22-20,136.27-3,565.27

Finding the Fourth Proportional to 13,425.22, 20,136.27 and 3,565.27

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Solution

The fourth proportional to 13,425.22, 20,136.27 and 3,565.27 is: 5,347.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425.22 : 20,136.27 = 3,565.27 : x
  2. Step 2: Convert to fraction form
    13,425.22/20,136.27 = 3,565.27/x
  3. Step 3: Cross multiply
    13,425.22x = 20,136.27 × 3,565.27
  4. Step 4: Simplify right side
    13,425.22x = 71,791,120.84
  5. Step 5: Solve for x
    x = 71,791,120.84/13,425.22
  6. Step 6: Final answer
    x = 5,347.48

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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.