Home / 13,436.57-20,146.64-5,536.64

Finding the Fourth Proportional to 13,436.57, 20,146.64 and 5,536.64

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Solution

The fourth proportional to 13,436.57, 20,146.64 and 5,536.64 is: 8,301.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.57 : 20,146.64 = 5,536.64 : x
  2. Step 2: Convert to fraction form
    13,436.57/20,146.64 = 5,536.64/x
  3. Step 3: Cross multiply
    13,436.57x = 20,146.64 × 5,536.64
  4. Step 4: Simplify right side
    13,436.57x = 111,544,692.89
  5. Step 5: Solve for x
    x = 111,544,692.89/13,436.57
  6. Step 6: Final answer
    x = 8,301.57

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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.