Home / 18,573.96-27,872.52-11,567.73

Finding the Fourth Proportional to 18,573.96, 27,872.52 and 11,567.73

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Solution

The fourth proportional to 18,573.96, 27,872.52 and 11,567.73 is: 17,358.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.96 : 27,872.52 = 11,567.73 : x
  2. Step 2: Convert to fraction form
    18,573.96/27,872.52 = 11,567.73/x
  3. Step 3: Cross multiply
    18,573.96x = 27,872.52 × 11,567.73
  4. Step 4: Simplify right side
    18,573.96x = 322,421,785.78
  5. Step 5: Solve for x
    x = 322,421,785.78/18,573.96
  6. Step 6: Final answer
    x = 17,358.81

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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.