Home / 25,255.31-37,883.16-11,211.56

Finding the Fourth Proportional to 25,255.31, 37,883.16 and 11,211.56

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Solution

The fourth proportional to 25,255.31, 37,883.16 and 11,211.56 is: 16,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,255.31 : 37,883.16 = 11,211.56 : x
  2. Step 2: Convert to fraction form
    25,255.31/37,883.16 = 11,211.56/x
  3. Step 3: Cross multiply
    25,255.31x = 37,883.16 × 11,211.56
  4. Step 4: Simplify right side
    25,255.31x = 424,729,466.05
  5. Step 5: Solve for x
    x = 424,729,466.05/25,255.31
  6. Step 6: Final answer
    x = 16,817.43

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1.5x scale

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.