Home / 20,110.94-30,176.39-9,025.46

Finding the Fourth Proportional to 20,110.94, 30,176.39 and 9,025.46

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Solution

The fourth proportional to 20,110.94, 30,176.39 and 9,025.46 is: 13,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.94 : 30,176.39 = 9,025.46 : x
  2. Step 2: Convert to fraction form
    20,110.94/30,176.39 = 9,025.46/x
  3. Step 3: Cross multiply
    20,110.94x = 30,176.39 × 9,025.46
  4. Step 4: Simplify right side
    20,110.94x = 272,355,672.57
  5. Step 5: Solve for x
    x = 272,355,672.57/20,110.94
  6. Step 6: Final answer
    x = 13,542.67

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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.