Home / 18,584.85-25,640.85-10,621.44

Finding the Fourth Proportional to 18,584.85, 25,640.85 and 10,621.44

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Solution

The fourth proportional to 18,584.85, 25,640.85 and 10,621.44 is: 14,654.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.85 : 25,640.85 = 10,621.44 : x
  2. Step 2: Convert to fraction form
    18,584.85/25,640.85 = 10,621.44/x
  3. Step 3: Cross multiply
    18,584.85x = 25,640.85 × 10,621.44
  4. Step 4: Simplify right side
    18,584.85x = 272,342,749.82
  5. Step 5: Solve for x
    x = 272,342,749.82/18,584.85
  6. Step 6: Final answer
    x = 14,654.02

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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.