Home / 13,951.05-20,919.73-9,736.30

Finding the Fourth Proportional to 13,951.05, 20,919.73 and 9,736.30

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Solution

The fourth proportional to 13,951.05, 20,919.73 and 9,736.30 is: 14,599.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.05 : 20,919.73 = 9,736.30 : x
  2. Step 2: Convert to fraction form
    13,951.05/20,919.73 = 9,736.30/x
  3. Step 3: Cross multiply
    13,951.05x = 20,919.73 × 9,736.30
  4. Step 4: Simplify right side
    13,951.05x = 203,680,767.20
  5. Step 5: Solve for x
    x = 203,680,767.20/13,951.05
  6. Step 6: Final answer
    x = 14,599.67

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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.