Home / 14,186.81-19,581.82-8,523.36

Finding the Fourth Proportional to 14,186.81, 19,581.82 and 8,523.36

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Solution

The fourth proportional to 14,186.81, 19,581.82 and 8,523.36 is: 11,764.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.81 : 19,581.82 = 8,523.36 : x
  2. Step 2: Convert to fraction form
    14,186.81/19,581.82 = 8,523.36/x
  3. Step 3: Cross multiply
    14,186.81x = 19,581.82 × 8,523.36
  4. Step 4: Simplify right side
    14,186.81x = 166,902,880.01
  5. Step 5: Solve for x
    x = 166,902,880.01/14,186.81
  6. Step 6: Final answer
    x = 11,764.65

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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.