Home / 25,346.58-38,020.38-7,816.38

Finding the Fourth Proportional to 25,346.58, 38,020.38 and 7,816.38

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Solution

The fourth proportional to 25,346.58, 38,020.38 and 7,816.38 is: 11,724.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,346.58 : 38,020.38 = 7,816.38 : x
  2. Step 2: Convert to fraction form
    25,346.58/38,020.38 = 7,816.38/x
  3. Step 3: Cross multiply
    25,346.58x = 38,020.38 × 7,816.38
  4. Step 4: Simplify right side
    25,346.58x = 297,181,737.82
  5. Step 5: Solve for x
    x = 297,181,737.82/25,346.58
  6. Step 6: Final answer
    x = 11,724.73

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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.