Home / 15,737.09-23,611.32-7,940.03

Finding the Fourth Proportional to 15,737.09, 23,611.32 and 7,940.03

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Solution

The fourth proportional to 15,737.09, 23,611.32 and 7,940.03 is: 11,912.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,737.09 : 23,611.32 = 7,940.03 : x
  2. Step 2: Convert to fraction form
    15,737.09/23,611.32 = 7,940.03/x
  3. Step 3: Cross multiply
    15,737.09x = 23,611.32 × 7,940.03
  4. Step 4: Simplify right side
    15,737.09x = 187,474,471.08
  5. Step 5: Solve for x
    x = 187,474,471.08/15,737.09
  6. Step 6: Final answer
    x = 11,912.91

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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.