Home / 18,725.36-25,843.60-10,767.40

Finding the Fourth Proportional to 18,725.36, 25,843.60 and 10,767.40

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Solution

The fourth proportional to 18,725.36, 25,843.60 and 10,767.40 is: 14,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.36 : 25,843.60 = 10,767.40 : x
  2. Step 2: Convert to fraction form
    18,725.36/25,843.60 = 10,767.40/x
  3. Step 3: Cross multiply
    18,725.36x = 25,843.60 × 10,767.40
  4. Step 4: Simplify right side
    18,725.36x = 278,268,378.64
  5. Step 5: Solve for x
    x = 278,268,378.64/18,725.36
  6. Step 6: Final answer
    x = 14,860.51

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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.