Home / 47,212.57-70,794.45-13,928.39

Finding the Fourth Proportional to 47,212.57, 70,794.45 and 13,928.39

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Solution

The fourth proportional to 47,212.57, 70,794.45 and 13,928.39 is: 20,885.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,212.57 : 70,794.45 = 13,928.39 : x
  2. Step 2: Convert to fraction form
    47,212.57/70,794.45 = 13,928.39/x
  3. Step 3: Cross multiply
    47,212.57x = 70,794.45 × 13,928.39
  4. Step 4: Simplify right side
    47,212.57x = 986,052,709.44
  5. Step 5: Solve for x
    x = 986,052,709.44/47,212.57
  6. Step 6: Final answer
    x = 20,885.39

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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.