Home / 18,608.90-25,680.09-10,110.84

Finding the Fourth Proportional to 18,608.90, 25,680.09 and 10,110.84

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Solution

The fourth proportional to 18,608.90, 25,680.09 and 10,110.84 is: 13,952.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.90 : 25,680.09 = 10,110.84 : x
  2. Step 2: Convert to fraction form
    18,608.90/25,680.09 = 10,110.84/x
  3. Step 3: Cross multiply
    18,608.90x = 25,680.09 × 10,110.84
  4. Step 4: Simplify right side
    18,608.90x = 259,647,281.18
  5. Step 5: Solve for x
    x = 259,647,281.18/18,608.90
  6. Step 6: Final answer
    x = 13,952.86

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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.