Home / 15,697.70-23,546.60-3,851.53

Finding the Fourth Proportional to 15,697.70, 23,546.60 and 3,851.53

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Solution

The fourth proportional to 15,697.70, 23,546.60 and 3,851.53 is: 5,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,697.70 : 23,546.60 = 3,851.53 : x
  2. Step 2: Convert to fraction form
    15,697.70/23,546.60 = 3,851.53/x
  3. Step 3: Cross multiply
    15,697.70x = 23,546.60 × 3,851.53
  4. Step 4: Simplify right side
    15,697.70x = 90,690,505.07
  5. Step 5: Solve for x
    x = 90,690,505.07/15,697.70
  6. Step 6: Final answer
    x = 5,777.31

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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.