Home / 12,836.70-19,255.74-4,072.30

Finding the Fourth Proportional to 12,836.70, 19,255.74 and 4,072.30

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Solution

The fourth proportional to 12,836.70, 19,255.74 and 4,072.30 is: 6,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.70 : 19,255.74 = 4,072.30 : x
  2. Step 2: Convert to fraction form
    12,836.70/19,255.74 = 4,072.30/x
  3. Step 3: Cross multiply
    12,836.70x = 19,255.74 × 4,072.30
  4. Step 4: Simplify right side
    12,836.70x = 78,415,150.00
  5. Step 5: Solve for x
    x = 78,415,150.00/12,836.70
  6. Step 6: Final answer
    x = 6,108.67

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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.