Home / 19,790.60-27,311.45-10,838.48

Finding the Fourth Proportional to 19,790.60, 27,311.45 and 10,838.48

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Solution

The fourth proportional to 19,790.60, 27,311.45 and 10,838.48 is: 14,957.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.60 : 27,311.45 = 10,838.48 : x
  2. Step 2: Convert to fraction form
    19,790.60/27,311.45 = 10,838.48/x
  3. Step 3: Cross multiply
    19,790.60x = 27,311.45 × 10,838.48
  4. Step 4: Simplify right side
    19,790.60x = 296,014,413.85
  5. Step 5: Solve for x
    x = 296,014,413.85/19,790.60
  6. Step 6: Final answer
    x = 14,957.33

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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.