Home / 22,456.86-30,996.46-13,266.48

Finding the Fourth Proportional to 22,456.86, 30,996.46 and 13,266.48

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Solution

The fourth proportional to 22,456.86, 30,996.46 and 13,266.48 is: 18,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,456.86 : 30,996.46 = 13,266.48 : x
  2. Step 2: Convert to fraction form
    22,456.86/30,996.46 = 13,266.48/x
  3. Step 3: Cross multiply
    22,456.86x = 30,996.46 × 13,266.48
  4. Step 4: Simplify right side
    22,456.86x = 411,213,916.66
  5. Step 5: Solve for x
    x = 411,213,916.66/22,456.86
  6. Step 6: Final answer
    x = 18,311.28

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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.