Home / 20,627.23-28,465.68-11,674.57

Finding the Fourth Proportional to 20,627.23, 28,465.68 and 11,674.57

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Solution

The fourth proportional to 20,627.23, 28,465.68 and 11,674.57 is: 16,110.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627.23 : 28,465.68 = 11,674.57 : x
  2. Step 2: Convert to fraction form
    20,627.23/28,465.68 = 11,674.57/x
  3. Step 3: Cross multiply
    20,627.23x = 28,465.68 × 11,674.57
  4. Step 4: Simplify right side
    20,627.23x = 332,324,573.76
  5. Step 5: Solve for x
    x = 332,324,573.76/20,627.23
  6. Step 6: Final answer
    x = 16,110.96

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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.