Home / 12,725.90-17,578.56-10,608.35

Finding the Fourth Proportional to 12,725.90, 17,578.56 and 10,608.35

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Solution

The fourth proportional to 12,725.90, 17,578.56 and 10,608.35 is: 14,653.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.90 : 17,578.56 = 10,608.35 : x
  2. Step 2: Convert to fraction form
    12,725.90/17,578.56 = 10,608.35/x
  3. Step 3: Cross multiply
    12,725.90x = 17,578.56 × 10,608.35
  4. Step 4: Simplify right side
    12,725.90x = 186,479,429.08
  5. Step 5: Solve for x
    x = 186,479,429.08/12,725.90
  6. Step 6: Final answer
    x = 14,653.54

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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.