Home / 22,183.79-30,613.91-12,112.47

Finding the Fourth Proportional to 22,183.79, 30,613.91 and 12,112.47

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Solution

The fourth proportional to 22,183.79, 30,613.91 and 12,112.47 is: 16,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,183.79 : 30,613.91 = 12,112.47 : x
  2. Step 2: Convert to fraction form
    22,183.79/30,613.91 = 12,112.47/x
  3. Step 3: Cross multiply
    22,183.79x = 30,613.91 × 12,112.47
  4. Step 4: Simplify right side
    22,183.79x = 370,810,005.90
  5. Step 5: Solve for x
    x = 370,810,005.90/22,183.79
  6. Step 6: Final answer
    x = 16,715.36

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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.