Home / 22,900.36-34,321.80-12,369.94

Finding the Fourth Proportional to 22,900.36, 34,321.80 and 12,369.94

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Solution

The fourth proportional to 22,900.36, 34,321.80 and 12,369.94 is: 18,539.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,900.36 : 34,321.80 = 12,369.94 : x
  2. Step 2: Convert to fraction form
    22,900.36/34,321.80 = 12,369.94/x
  3. Step 3: Cross multiply
    22,900.36x = 34,321.80 × 12,369.94
  4. Step 4: Simplify right side
    22,900.36x = 424,558,606.69
  5. Step 5: Solve for x
    x = 424,558,606.69/22,900.36
  6. Step 6: Final answer
    x = 18,539.39

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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.