Home / 16,938.70-25,412.10-7,072.48

Finding the Fourth Proportional to 16,938.70, 25,412.10 and 7,072.48

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Solution

The fourth proportional to 16,938.70, 25,412.10 and 7,072.48 is: 10,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.70 : 25,412.10 = 7,072.48 : x
  2. Step 2: Convert to fraction form
    16,938.70/25,412.10 = 7,072.48/x
  3. Step 3: Cross multiply
    16,938.70x = 25,412.10 × 7,072.48
  4. Step 4: Simplify right side
    16,938.70x = 179,726,569.01
  5. Step 5: Solve for x
    x = 179,726,569.01/16,938.70
  6. Step 6: Final answer
    x = 10,610.41

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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.