Home / 18,608.97-25,680.27-10,111.02

Finding the Fourth Proportional to 18,608.97, 25,680.27 and 10,111.02

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Solution

The fourth proportional to 18,608.97, 25,680.27 and 10,111.02 is: 13,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.97 : 25,680.27 = 10,111.02 : x
  2. Step 2: Convert to fraction form
    18,608.97/25,680.27 = 10,111.02/x
  3. Step 3: Cross multiply
    18,608.97x = 25,680.27 × 10,111.02
  4. Step 4: Simplify right side
    18,608.97x = 259,653,723.58
  5. Step 5: Solve for x
    x = 259,653,723.58/18,608.97
  6. Step 6: Final answer
    x = 13,953.15

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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.