Home / 13,255.26-19,878.62-5,859.54

Finding the Fourth Proportional to 13,255.26, 19,878.62 and 5,859.54

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Solution

The fourth proportional to 13,255.26, 19,878.62 and 5,859.54 is: 8,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.26 : 19,878.62 = 5,859.54 : x
  2. Step 2: Convert to fraction form
    13,255.26/19,878.62 = 5,859.54/x
  3. Step 3: Cross multiply
    13,255.26x = 19,878.62 × 5,859.54
  4. Step 4: Simplify right side
    13,255.26x = 116,479,569.03
  5. Step 5: Solve for x
    x = 116,479,569.03/13,255.26
  6. Step 6: Final answer
    x = 8,787.42

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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.