Home / 19,505.89-26,918.05-10,553.37

Finding the Fourth Proportional to 19,505.89, 26,918.05 and 10,553.37

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Solution

The fourth proportional to 19,505.89, 26,918.05 and 10,553.37 is: 14,563.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,505.89 : 26,918.05 = 10,553.37 : x
  2. Step 2: Convert to fraction form
    19,505.89/26,918.05 = 10,553.37/x
  3. Step 3: Cross multiply
    19,505.89x = 26,918.05 × 10,553.37
  4. Step 4: Simplify right side
    19,505.89x = 284,076,141.33
  5. Step 5: Solve for x
    x = 284,076,141.33/19,505.89
  6. Step 6: Final answer
    x = 14,563.61

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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.