Home / 14,629.87-20,189.21-7,915.48

Finding the Fourth Proportional to 14,629.87, 20,189.21 and 7,915.48

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Solution

The fourth proportional to 14,629.87, 20,189.21 and 7,915.48 is: 10,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,629.87 : 20,189.21 = 7,915.48 : x
  2. Step 2: Convert to fraction form
    14,629.87/20,189.21 = 7,915.48/x
  3. Step 3: Cross multiply
    14,629.87x = 20,189.21 × 7,915.48
  4. Step 4: Simplify right side
    14,629.87x = 159,807,287.97
  5. Step 5: Solve for x
    x = 159,807,287.97/14,629.87
  6. Step 6: Final answer
    x = 10,923.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.