Home / 36,369.21-54,536.58-12,668.49

Finding the Fourth Proportional to 36,369.21, 54,536.58 and 12,668.49

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Solution

The fourth proportional to 36,369.21, 54,536.58 and 12,668.49 is: 18,996.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,369.21 : 54,536.58 = 12,668.49 : x
  2. Step 2: Convert to fraction form
    36,369.21/54,536.58 = 12,668.49/x
  3. Step 3: Cross multiply
    36,369.21x = 54,536.58 × 12,668.49
  4. Step 4: Simplify right side
    36,369.21x = 690,896,118.36
  5. Step 5: Solve for x
    x = 690,896,118.36/36,369.21
  6. Step 6: Final answer
    x = 18,996.73

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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.