Home / 25,942.02-38,912.49-7,474.02

Finding the Fourth Proportional to 25,942.02, 38,912.49 and 7,474.02

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Solution

The fourth proportional to 25,942.02, 38,912.49 and 7,474.02 is: 11,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,942.02 : 38,912.49 = 7,474.02 : x
  2. Step 2: Convert to fraction form
    25,942.02/38,912.49 = 7,474.02/x
  3. Step 3: Cross multiply
    25,942.02x = 38,912.49 × 7,474.02
  4. Step 4: Simplify right side
    25,942.02x = 290,832,728.51
  5. Step 5: Solve for x
    x = 290,832,728.51/25,942.02
  6. Step 6: Final answer
    x = 11,210.87

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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.