Home / 14,451.13-19,944.18-8,163.91

Finding the Fourth Proportional to 14,451.13, 19,944.18 and 8,163.91

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Solution

The fourth proportional to 14,451.13, 19,944.18 and 8,163.91 is: 11,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.13 : 19,944.18 = 8,163.91 : x
  2. Step 2: Convert to fraction form
    14,451.13/19,944.18 = 8,163.91/x
  3. Step 3: Cross multiply
    14,451.13x = 19,944.18 × 8,163.91
  4. Step 4: Simplify right side
    14,451.13x = 162,822,350.00
  5. Step 5: Solve for x
    x = 162,822,350.00/14,451.13
  6. Step 6: Final answer
    x = 11,267.11

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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.