Home / 18,228.72-27,333.36-9,441.84

Finding the Fourth Proportional to 18,228.72, 27,333.36 and 9,441.84

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Solution

The fourth proportional to 18,228.72, 27,333.36 and 9,441.84 is: 14,157.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.72 : 27,333.36 = 9,441.84 : x
  2. Step 2: Convert to fraction form
    18,228.72/27,333.36 = 9,441.84/x
  3. Step 3: Cross multiply
    18,228.72x = 27,333.36 × 9,441.84
  4. Step 4: Simplify right side
    18,228.72x = 258,077,211.78
  5. Step 5: Solve for x
    x = 258,077,211.78/18,228.72
  6. Step 6: Final answer
    x = 14,157.73

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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.