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Finding the Fourth Proportional to 19,362.92, 26,735.88 and 14,879.60

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Solution

The fourth proportional to 19,362.92, 26,735.88 and 14,879.60 is: 20,545.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,362.92 : 26,735.88 = 14,879.60 : x
  2. Step 2: Convert to fraction form
    19,362.92/26,735.88 = 14,879.60/x
  3. Step 3: Cross multiply
    19,362.92x = 26,735.88 × 14,879.60
  4. Step 4: Simplify right side
    19,362.92x = 397,819,200.05
  5. Step 5: Solve for x
    x = 397,819,200.05/19,362.92
  6. Step 6: Final answer
    x = 20,545.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.