Home / 18,638.23-27,957.21-7,544.76

Finding the Fourth Proportional to 18,638.23, 27,957.21 and 7,544.76

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Solution

The fourth proportional to 18,638.23, 27,957.21 and 7,544.76 is: 11,317.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,638.23 : 27,957.21 = 7,544.76 : x
  2. Step 2: Convert to fraction form
    18,638.23/27,957.21 = 7,544.76/x
  3. Step 3: Cross multiply
    18,638.23x = 27,957.21 × 7,544.76
  4. Step 4: Simplify right side
    18,638.23x = 210,930,439.72
  5. Step 5: Solve for x
    x = 210,930,439.72/18,638.23
  6. Step 6: Final answer
    x = 11,317.09

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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.