Home / 14,183.45-19,570.20-8,214.77

Finding the Fourth Proportional to 14,183.45, 19,570.20 and 8,214.77

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Solution

The fourth proportional to 14,183.45, 19,570.20 and 8,214.77 is: 11,334.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.45 : 19,570.20 = 8,214.77 : x
  2. Step 2: Convert to fraction form
    14,183.45/19,570.20 = 8,214.77/x
  3. Step 3: Cross multiply
    14,183.45x = 19,570.20 × 8,214.77
  4. Step 4: Simplify right side
    14,183.45x = 160,764,573.47
  5. Step 5: Solve for x
    x = 160,764,573.47/14,183.45
  6. Step 6: Final answer
    x = 11,334.66

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Half scale
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Double scale
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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.