Home / 19,500.37-29,255.44-11,189.77

Finding the Fourth Proportional to 19,500.37, 29,255.44 and 11,189.77

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Solution

The fourth proportional to 19,500.37, 29,255.44 and 11,189.77 is: 16,787.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,500.37 : 29,255.44 = 11,189.77 : x
  2. Step 2: Convert to fraction form
    19,500.37/29,255.44 = 11,189.77/x
  3. Step 3: Cross multiply
    19,500.37x = 29,255.44 × 11,189.77
  4. Step 4: Simplify right side
    19,500.37x = 327,361,644.85
  5. Step 5: Solve for x
    x = 327,361,644.85/19,500.37
  6. Step 6: Final answer
    x = 16,787.46

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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.