Home / 18,883.09-28,285.72-11,073.07

Finding the Fourth Proportional to 18,883.09, 28,285.72 and 11,073.07

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Solution

The fourth proportional to 18,883.09, 28,285.72 and 11,073.07 is: 16,586.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883.09 : 28,285.72 = 11,073.07 : x
  2. Step 2: Convert to fraction form
    18,883.09/28,285.72 = 11,073.07/x
  3. Step 3: Cross multiply
    18,883.09x = 28,285.72 × 11,073.07
  4. Step 4: Simplify right side
    18,883.09x = 313,209,757.56
  5. Step 5: Solve for x
    x = 313,209,757.56/18,883.09
  6. Step 6: Final answer
    x = 16,586.79

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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.