Home / 25,548.70-35,247.42-18,850.31

Finding the Fourth Proportional to 25,548.70, 35,247.42 and 18,850.31

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Solution

The fourth proportional to 25,548.70, 35,247.42 and 18,850.31 is: 26,006.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,548.70 : 35,247.42 = 18,850.31 : x
  2. Step 2: Convert to fraction form
    25,548.70/35,247.42 = 18,850.31/x
  3. Step 3: Cross multiply
    25,548.70x = 35,247.42 × 18,850.31
  4. Step 4: Simplify right side
    25,548.70x = 664,424,793.70
  5. Step 5: Solve for x
    x = 664,424,793.70/25,548.70
  6. Step 6: Final answer
    x = 26,006.21

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1.5x scale

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.