Home / 18,825.68-25,976.04-10,868.24

Finding the Fourth Proportional to 18,825.68, 25,976.04 and 10,868.24

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Solution

The fourth proportional to 18,825.68, 25,976.04 and 10,868.24 is: 14,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.68 : 25,976.04 = 10,868.24 : x
  2. Step 2: Convert to fraction form
    18,825.68/25,976.04 = 10,868.24/x
  3. Step 3: Cross multiply
    18,825.68x = 25,976.04 × 10,868.24
  4. Step 4: Simplify right side
    18,825.68x = 282,313,836.97
  5. Step 5: Solve for x
    x = 282,313,836.97/18,825.68
  6. Step 6: Final answer
    x = 14,996.21

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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.