Home / 18,608.31-25,679.61-10,110.60

Finding the Fourth Proportional to 18,608.31, 25,679.61 and 10,110.60

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Solution

The fourth proportional to 18,608.31, 25,679.61 and 10,110.60 is: 13,952.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.31 : 25,679.61 = 10,110.60 : x
  2. Step 2: Convert to fraction form
    18,608.31/25,679.61 = 10,110.60/x
  3. Step 3: Cross multiply
    18,608.31x = 25,679.61 × 10,110.60
  4. Step 4: Simplify right side
    18,608.31x = 259,636,264.87
  5. Step 5: Solve for x
    x = 259,636,264.87/18,608.31
  6. Step 6: Final answer
    x = 13,952.71

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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.