Home / 15,850.92-21,850.98-12,067.50

Finding the Fourth Proportional to 15,850.92, 21,850.98 and 12,067.50

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Solution

The fourth proportional to 15,850.92, 21,850.98 and 12,067.50 is: 16,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,850.92 : 21,850.98 = 12,067.50 : x
  2. Step 2: Convert to fraction form
    15,850.92/21,850.98 = 12,067.50/x
  3. Step 3: Cross multiply
    15,850.92x = 21,850.98 × 12,067.50
  4. Step 4: Simplify right side
    15,850.92x = 263,686,701.15
  5. Step 5: Solve for x
    x = 263,686,701.15/15,850.92
  6. Step 6: Final answer
    x = 16,635.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.