Home / 13,910.36-20,865.18-4,676.36

Finding the Fourth Proportional to 13,910.36, 20,865.18 and 4,676.36

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Solution

The fourth proportional to 13,910.36, 20,865.18 and 4,676.36 is: 7,014.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.36 : 20,865.18 = 4,676.36 : x
  2. Step 2: Convert to fraction form
    13,910.36/20,865.18 = 4,676.36/x
  3. Step 3: Cross multiply
    13,910.36x = 20,865.18 × 4,676.36
  4. Step 4: Simplify right side
    13,910.36x = 97,573,093.14
  5. Step 5: Solve for x
    x = 97,573,093.14/13,910.36
  6. Step 6: Final answer
    x = 7,014.42

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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.