Home / 18,942.68-28,415.15-5,795.16

Finding the Fourth Proportional to 18,942.68, 28,415.15 and 5,795.16

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Solution

The fourth proportional to 18,942.68, 28,415.15 and 5,795.16 is: 8,693.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.68 : 28,415.15 = 5,795.16 : x
  2. Step 2: Convert to fraction form
    18,942.68/28,415.15 = 5,795.16/x
  3. Step 3: Cross multiply
    18,942.68x = 28,415.15 × 5,795.16
  4. Step 4: Simplify right side
    18,942.68x = 164,670,340.67
  5. Step 5: Solve for x
    x = 164,670,340.67/18,942.68
  6. Step 6: Final answer
    x = 8,693.09

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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.