Home / 14,369.39-19,832.12-8,399.89

Finding the Fourth Proportional to 14,369.39, 19,832.12 and 8,399.89

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Solution

The fourth proportional to 14,369.39, 19,832.12 and 8,399.89 is: 11,593.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,369.39 : 19,832.12 = 8,399.89 : x
  2. Step 2: Convert to fraction form
    14,369.39/19,832.12 = 8,399.89/x
  3. Step 3: Cross multiply
    14,369.39x = 19,832.12 × 8,399.89
  4. Step 4: Simplify right side
    14,369.39x = 166,587,626.47
  5. Step 5: Solve for x
    x = 166,587,626.47/14,369.39
  6. Step 6: Final answer
    x = 11,593.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.