Home / 13,910.54-20,860.74-4,046.76

Finding the Fourth Proportional to 13,910.54, 20,860.74 and 4,046.76

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Solution

The fourth proportional to 13,910.54, 20,860.74 and 4,046.76 is: 6,068.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.54 : 20,860.74 = 4,046.76 : x
  2. Step 2: Convert to fraction form
    13,910.54/20,860.74 = 4,046.76/x
  3. Step 3: Cross multiply
    13,910.54x = 20,860.74 × 4,046.76
  4. Step 4: Simplify right side
    13,910.54x = 84,418,408.20
  5. Step 5: Solve for x
    x = 84,418,408.20/13,910.54
  6. Step 6: Final answer
    x = 6,068.67

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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.