Home / 16,015.84-22,102.26-8,942.78

Finding the Fourth Proportional to 16,015.84, 22,102.26 and 8,942.78

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Solution

The fourth proportional to 16,015.84, 22,102.26 and 8,942.78 is: 12,341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,015.84 : 22,102.26 = 8,942.78 : x
  2. Step 2: Convert to fraction form
    16,015.84/22,102.26 = 8,942.78/x
  3. Step 3: Cross multiply
    16,015.84x = 22,102.26 × 8,942.78
  4. Step 4: Simplify right side
    16,015.84x = 197,655,648.68
  5. Step 5: Solve for x
    x = 197,655,648.68/16,015.84
  6. Step 6: Final answer
    x = 12,341.26

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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.