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Finding the Fourth Proportional to 19,243.92, 26,552.88 and 10,858.80

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Solution

The fourth proportional to 19,243.92, 26,552.88 and 10,858.80 is: 14,983.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,243.92 : 26,552.88 = 10,858.80 : x
  2. Step 2: Convert to fraction form
    19,243.92/26,552.88 = 10,858.80/x
  3. Step 3: Cross multiply
    19,243.92x = 26,552.88 × 10,858.80
  4. Step 4: Simplify right side
    19,243.92x = 288,332,413.34
  5. Step 5: Solve for x
    x = 288,332,413.34/19,243.92
  6. Step 6: Final answer
    x = 14,983.04

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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.