Home / 13,336.39-20,017.14-6,767.29

Finding the Fourth Proportional to 13,336.39, 20,017.14 and 6,767.29

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Solution

The fourth proportional to 13,336.39, 20,017.14 and 6,767.29 is: 10,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.39 : 20,017.14 = 6,767.29 : x
  2. Step 2: Convert to fraction form
    13,336.39/20,017.14 = 6,767.29/x
  3. Step 3: Cross multiply
    13,336.39x = 20,017.14 × 6,767.29
  4. Step 4: Simplify right side
    13,336.39x = 135,461,791.35
  5. Step 5: Solve for x
    x = 135,461,791.35/13,336.39
  6. Step 6: Final answer
    x = 10,157.31

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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.