Home / 19,313.24-28,975.72-8,074.04

Finding the Fourth Proportional to 19,313.24, 28,975.72 and 8,074.04

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Solution

The fourth proportional to 19,313.24, 28,975.72 and 8,074.04 is: 12,113.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313.24 : 28,975.72 = 8,074.04 : x
  2. Step 2: Convert to fraction form
    19,313.24/28,975.72 = 8,074.04/x
  3. Step 3: Cross multiply
    19,313.24x = 28,975.72 × 8,074.04
  4. Step 4: Simplify right side
    19,313.24x = 233,951,122.31
  5. Step 5: Solve for x
    x = 233,951,122.31/19,313.24
  6. Step 6: Final answer
    x = 12,113.51

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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.