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Finding the Fourth Proportional to 14,191.26, 19,583.94 and 7,904.04

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Solution

The fourth proportional to 14,191.26, 19,583.94 and 7,904.04 is: 10,907.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.26 : 19,583.94 = 7,904.04 : x
  2. Step 2: Convert to fraction form
    14,191.26/19,583.94 = 7,904.04/x
  3. Step 3: Cross multiply
    14,191.26x = 19,583.94 × 7,904.04
  4. Step 4: Simplify right side
    14,191.26x = 154,792,245.12
  5. Step 5: Solve for x
    x = 154,792,245.12/14,191.26
  6. Step 6: Final answer
    x = 10,907.58

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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.