Home / 16,015.87-22,101.21-8,942.14

Finding the Fourth Proportional to 16,015.87, 22,101.21 and 8,942.14

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Solution

The fourth proportional to 16,015.87, 22,101.21 and 8,942.14 is: 12,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,015.87 : 22,101.21 = 8,942.14 : x
  2. Step 2: Convert to fraction form
    16,015.87/22,101.21 = 8,942.14/x
  3. Step 3: Cross multiply
    16,015.87x = 22,101.21 × 8,942.14
  4. Step 4: Simplify right side
    16,015.87x = 197,632,113.99
  5. Step 5: Solve for x
    x = 197,632,113.99/16,015.87
  6. Step 6: Final answer
    x = 12,339.77

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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.