Home / 20,170.08-30,177.36-19,249.92

Finding the Fourth Proportional to 20,170.08, 30,177.36 and 19,249.92

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Solution

The fourth proportional to 20,170.08, 30,177.36 and 19,249.92 is: 28,800.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,170.08 : 30,177.36 = 19,249.92 : x
  2. Step 2: Convert to fraction form
    20,170.08/30,177.36 = 19,249.92/x
  3. Step 3: Cross multiply
    20,170.08x = 30,177.36 × 19,249.92
  4. Step 4: Simplify right side
    20,170.08x = 580,911,765.81
  5. Step 5: Solve for x
    x = 580,911,765.81/20,170.08
  6. Step 6: Final answer
    x = 28,800.67

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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.