Home / 14,769.76-20,366.79-9,727.54

Finding the Fourth Proportional to 14,769.76, 20,366.79 and 9,727.54

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Solution

The fourth proportional to 14,769.76, 20,366.79 and 9,727.54 is: 13,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.76 : 20,366.79 = 9,727.54 : x
  2. Step 2: Convert to fraction form
    14,769.76/20,366.79 = 9,727.54/x
  3. Step 3: Cross multiply
    14,769.76x = 20,366.79 × 9,727.54
  4. Step 4: Simplify right side
    14,769.76x = 198,118,764.40
  5. Step 5: Solve for x
    x = 198,118,764.40/14,769.76
  6. Step 6: Final answer
    x = 13,413.81

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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.