Home / 18,150.10-27,220.83-7,056.34

Finding the Fourth Proportional to 18,150.10, 27,220.83 and 7,056.34

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Solution

The fourth proportional to 18,150.10, 27,220.83 and 7,056.34 is: 10,582.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.10 : 27,220.83 = 7,056.34 : x
  2. Step 2: Convert to fraction form
    18,150.10/27,220.83 = 7,056.34/x
  3. Step 3: Cross multiply
    18,150.10x = 27,220.83 × 7,056.34
  4. Step 4: Simplify right side
    18,150.10x = 192,079,431.56
  5. Step 5: Solve for x
    x = 192,079,431.56/18,150.10
  6. Step 6: Final answer
    x = 10,582.83

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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.