Home / 13,872.07-19,143.52-7,584.44

Finding the Fourth Proportional to 13,872.07, 19,143.52 and 7,584.44

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Solution

The fourth proportional to 13,872.07, 19,143.52 and 7,584.44 is: 10,466.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872.07 : 19,143.52 = 7,584.44 : x
  2. Step 2: Convert to fraction form
    13,872.07/19,143.52 = 7,584.44/x
  3. Step 3: Cross multiply
    13,872.07x = 19,143.52 × 7,584.44
  4. Step 4: Simplify right side
    13,872.07x = 145,192,840.91
  5. Step 5: Solve for x
    x = 145,192,840.91/13,872.07
  6. Step 6: Final answer
    x = 10,466.56

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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.