Home / 18,653.52-25,738.56-15,110.64

Finding the Fourth Proportional to 18,653.52, 25,738.56 and 15,110.64

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Solution

The fourth proportional to 18,653.52, 25,738.56 and 15,110.64 is: 20,850.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,653.52 : 25,738.56 = 15,110.64 : x
  2. Step 2: Convert to fraction form
    18,653.52/25,738.56 = 15,110.64/x
  3. Step 3: Cross multiply
    18,653.52x = 25,738.56 × 15,110.64
  4. Step 4: Simplify right side
    18,653.52x = 388,926,114.28
  5. Step 5: Solve for x
    x = 388,926,114.28/18,653.52
  6. Step 6: Final answer
    x = 20,850.01

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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.