Home / 19,293.57-28,944.78-8,200.62

Finding the Fourth Proportional to 19,293.57, 28,944.78 and 8,200.62

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Solution

The fourth proportional to 19,293.57, 28,944.78 and 8,200.62 is: 12,302.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.57 : 28,944.78 = 8,200.62 : x
  2. Step 2: Convert to fraction form
    19,293.57/28,944.78 = 8,200.62/x
  3. Step 3: Cross multiply
    19,293.57x = 28,944.78 × 8,200.62
  4. Step 4: Simplify right side
    19,293.57x = 237,365,141.76
  5. Step 5: Solve for x
    x = 237,365,141.76/19,293.57
  6. Step 6: Final answer
    x = 12,302.81

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1.5x scale

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.