Home / 12,922.23-19,371.03-4,150.99

Finding the Fourth Proportional to 12,922.23, 19,371.03 and 4,150.99

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Solution

The fourth proportional to 12,922.23, 19,371.03 and 4,150.99 is: 6,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922.23 : 19,371.03 = 4,150.99 : x
  2. Step 2: Convert to fraction form
    12,922.23/19,371.03 = 4,150.99/x
  3. Step 3: Cross multiply
    12,922.23x = 19,371.03 × 4,150.99
  4. Step 4: Simplify right side
    12,922.23x = 80,408,854.96
  5. Step 5: Solve for x
    x = 80,408,854.96/12,922.23
  6. Step 6: Final answer
    x = 6,222.52

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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.