Home / 22,110.67-30,513.32-12,039.54

Finding the Fourth Proportional to 22,110.67, 30,513.32 and 12,039.54

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Solution

The fourth proportional to 22,110.67, 30,513.32 and 12,039.54 is: 16,614.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.67 : 30,513.32 = 12,039.54 : x
  2. Step 2: Convert to fraction form
    22,110.67/30,513.32 = 12,039.54/x
  3. Step 3: Cross multiply
    22,110.67x = 30,513.32 × 12,039.54
  4. Step 4: Simplify right side
    22,110.67x = 367,366,336.67
  5. Step 5: Solve for x
    x = 367,366,336.67/22,110.67
  6. Step 6: Final answer
    x = 16,614.89

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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.