Home / 12,204.36-18,262.80-10,566.56

Finding the Fourth Proportional to 12,204.36, 18,262.80 and 10,566.56

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Solution

The fourth proportional to 12,204.36, 18,262.80 and 10,566.56 is: 15,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.36 : 18,262.80 = 10,566.56 : x
  2. Step 2: Convert to fraction form
    12,204.36/18,262.80 = 10,566.56/x
  3. Step 3: Cross multiply
    12,204.36x = 18,262.80 × 10,566.56
  4. Step 4: Simplify right side
    12,204.36x = 192,974,971.97
  5. Step 5: Solve for x
    x = 192,974,971.97/12,204.36
  6. Step 6: Final answer
    x = 15,811.97

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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.