Home / 14,555.76-20,086.77-8,183.41

Finding the Fourth Proportional to 14,555.76, 20,086.77 and 8,183.41

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Solution

The fourth proportional to 14,555.76, 20,086.77 and 8,183.41 is: 11,293.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.76 : 20,086.77 = 8,183.41 : x
  2. Step 2: Convert to fraction form
    14,555.76/20,086.77 = 8,183.41/x
  3. Step 3: Cross multiply
    14,555.76x = 20,086.77 × 8,183.41
  4. Step 4: Simplify right side
    14,555.76x = 164,378,233.57
  5. Step 5: Solve for x
    x = 164,378,233.57/14,555.76
  6. Step 6: Final answer
    x = 11,293.00

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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.