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Finding the Fourth Proportional to 19,595, 27,041.12 and 11,211.52

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Solution

The fourth proportional to 19,595, 27,041.12 and 11,211.52 is: 15,471.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595 : 27,041.12 = 11,211.52 : x
  2. Step 2: Convert to fraction form
    19,595/27,041.12 = 11,211.52/x
  3. Step 3: Cross multiply
    19,595x = 27,041.12 × 11,211.52
  4. Step 4: Simplify right side
    19,595x = 303,172,057.70
  5. Step 5: Solve for x
    x = 303,172,057.70/19,595
  6. Step 6: Final answer
    x = 15,471.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.