Home / 18,825.24-25,971.66-10,863.48

Finding the Fourth Proportional to 18,825.24, 25,971.66 and 10,863.48

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Solution

The fourth proportional to 18,825.24, 25,971.66 and 10,863.48 is: 14,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.24 : 25,971.66 = 10,863.48 : x
  2. Step 2: Convert to fraction form
    18,825.24/25,971.66 = 10,863.48/x
  3. Step 3: Cross multiply
    18,825.24x = 25,971.66 × 10,863.48
  4. Step 4: Simplify right side
    18,825.24x = 282,142,608.98
  5. Step 5: Solve for x
    x = 282,142,608.98/18,825.24
  6. Step 6: Final answer
    x = 14,987.46

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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.