Home / 18,721.24-28,093.93-12,057.04

Finding the Fourth Proportional to 18,721.24, 28,093.93 and 12,057.04

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Solution

The fourth proportional to 18,721.24, 28,093.93 and 12,057.04 is: 18,093.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,721.24 : 28,093.93 = 12,057.04 : x
  2. Step 2: Convert to fraction form
    18,721.24/28,093.93 = 12,057.04/x
  3. Step 3: Cross multiply
    18,721.24x = 28,093.93 × 12,057.04
  4. Step 4: Simplify right side
    18,721.24x = 338,729,710.56
  5. Step 5: Solve for x
    x = 338,729,710.56/18,721.24
  6. Step 6: Final answer
    x = 18,093.34

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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.