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Finding the Fourth Proportional to 13,846.87, 19,108.74 and 7,559.38

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Solution

The fourth proportional to 13,846.87, 19,108.74 and 7,559.38 is: 10,431.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.87 : 19,108.74 = 7,559.38 : x
  2. Step 2: Convert to fraction form
    13,846.87/19,108.74 = 7,559.38/x
  3. Step 3: Cross multiply
    13,846.87x = 19,108.74 × 7,559.38
  4. Step 4: Simplify right side
    13,846.87x = 144,450,226.98
  5. Step 5: Solve for x
    x = 144,450,226.98/13,846.87
  6. Step 6: Final answer
    x = 10,431.98

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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.