Home / 14,117.82-21,183.63-9,984.39

Finding the Fourth Proportional to 14,117.82, 21,183.63 and 9,984.39

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Solution

The fourth proportional to 14,117.82, 21,183.63 and 9,984.39 is: 14,981.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.82 : 21,183.63 = 9,984.39 : x
  2. Step 2: Convert to fraction form
    14,117.82/21,183.63 = 9,984.39/x
  3. Step 3: Cross multiply
    14,117.82x = 21,183.63 × 9,984.39
  4. Step 4: Simplify right side
    14,117.82x = 211,505,623.54
  5. Step 5: Solve for x
    x = 211,505,623.54/14,117.82
  6. Step 6: Final answer
    x = 14,981.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.