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Finding the Fourth Proportional to 18,295.26, 25,150.53 and 15,733.64

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Solution

The fourth proportional to 18,295.26, 25,150.53 and 15,733.64 is: 21,629.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.26 : 25,150.53 = 15,733.64 : x
  2. Step 2: Convert to fraction form
    18,295.26/25,150.53 = 15,733.64/x
  3. Step 3: Cross multiply
    18,295.26x = 25,150.53 × 15,733.64
  4. Step 4: Simplify right side
    18,295.26x = 395,709,259.08
  5. Step 5: Solve for x
    x = 395,709,259.08/18,295.26
  6. Step 6: Final answer
    x = 21,629.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.