Home / 22,665.34-33,948.78-10,954

Finding the Fourth Proportional to 22,665.34, 33,948.78 and 10,954

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Solution

The fourth proportional to 22,665.34, 33,948.78 and 10,954 is: 16,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,665.34 : 33,948.78 = 10,954 : x
  2. Step 2: Convert to fraction form
    22,665.34/33,948.78 = 10,954/x
  3. Step 3: Cross multiply
    22,665.34x = 33,948.78 × 10,954
  4. Step 4: Simplify right side
    22,665.34x = 371,874,936.12
  5. Step 5: Solve for x
    x = 371,874,936.12/22,665.34
  6. Step 6: Final answer
    x = 16,407.21

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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.