Home / 18,735.59-28,102.71-4,695.73

Finding the Fourth Proportional to 18,735.59, 28,102.71 and 4,695.73

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Solution

The fourth proportional to 18,735.59, 28,102.71 and 4,695.73 is: 7,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.59 : 28,102.71 = 4,695.73 : x
  2. Step 2: Convert to fraction form
    18,735.59/28,102.71 = 4,695.73/x
  3. Step 3: Cross multiply
    18,735.59x = 28,102.71 × 4,695.73
  4. Step 4: Simplify right side
    18,735.59x = 131,962,738.43
  5. Step 5: Solve for x
    x = 131,962,738.43/18,735.59
  6. Step 6: Final answer
    x = 7,043.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.