Home / 13,536.42-20,305.80-4,771.41

Finding the Fourth Proportional to 13,536.42, 20,305.80 and 4,771.41

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Solution

The fourth proportional to 13,536.42, 20,305.80 and 4,771.41 is: 7,157.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.42 : 20,305.80 = 4,771.41 : x
  2. Step 2: Convert to fraction form
    13,536.42/20,305.80 = 4,771.41/x
  3. Step 3: Cross multiply
    13,536.42x = 20,305.80 × 4,771.41
  4. Step 4: Simplify right side
    13,536.42x = 96,887,297.18
  5. Step 5: Solve for x
    x = 96,887,297.18/13,536.42
  6. Step 6: Final answer
    x = 7,157.53

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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.