Home / 19,196.24-28,768.20-10,872.32

Finding the Fourth Proportional to 19,196.24, 28,768.20 and 10,872.32

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Solution

The fourth proportional to 19,196.24, 28,768.20 and 10,872.32 is: 16,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196.24 : 28,768.20 = 10,872.32 : x
  2. Step 2: Convert to fraction form
    19,196.24/28,768.20 = 10,872.32/x
  3. Step 3: Cross multiply
    19,196.24x = 28,768.20 × 10,872.32
  4. Step 4: Simplify right side
    19,196.24x = 312,777,076.22
  5. Step 5: Solve for x
    x = 312,777,076.22/19,196.24
  6. Step 6: Final answer
    x = 16,293.66

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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.