Home / 25,190.58-37,786-7,660.36

Finding the Fourth Proportional to 25,190.58, 37,786 and 7,660.36

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Solution

The fourth proportional to 25,190.58, 37,786 and 7,660.36 is: 11,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,190.58 : 37,786 = 7,660.36 : x
  2. Step 2: Convert to fraction form
    25,190.58/37,786 = 7,660.36/x
  3. Step 3: Cross multiply
    25,190.58x = 37,786 × 7,660.36
  4. Step 4: Simplify right side
    25,190.58x = 289,454,174.03
  5. Step 5: Solve for x
    x = 289,454,174.03/25,190.58
  6. Step 6: Final answer
    x = 11,490.57

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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.