Home / 22,170.26-30,595.23-13,222.86

Finding the Fourth Proportional to 22,170.26, 30,595.23 and 13,222.86

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Solution

The fourth proportional to 22,170.26, 30,595.23 and 13,222.86 is: 18,247.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.26 : 30,595.23 = 13,222.86 : x
  2. Step 2: Convert to fraction form
    22,170.26/30,595.23 = 13,222.86/x
  3. Step 3: Cross multiply
    22,170.26x = 30,595.23 × 13,222.86
  4. Step 4: Simplify right side
    22,170.26x = 404,556,442.96
  5. Step 5: Solve for x
    x = 404,556,442.96/22,170.26
  6. Step 6: Final answer
    x = 18,247.71

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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.