Home / 19,091.46-28,614.72-11,197.80

Finding the Fourth Proportional to 19,091.46, 28,614.72 and 11,197.80

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Solution

The fourth proportional to 19,091.46, 28,614.72 and 11,197.80 is: 16,783.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.46 : 28,614.72 = 11,197.80 : x
  2. Step 2: Convert to fraction form
    19,091.46/28,614.72 = 11,197.80/x
  3. Step 3: Cross multiply
    19,091.46x = 28,614.72 × 11,197.80
  4. Step 4: Simplify right side
    19,091.46x = 320,421,911.62
  5. Step 5: Solve for x
    x = 320,421,911.62/19,091.46
  6. Step 6: Final answer
    x = 16,783.52

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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.