Home / 18,584.08-27,878.58-9,819.34

Finding the Fourth Proportional to 18,584.08, 27,878.58 and 9,819.34

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Solution

The fourth proportional to 18,584.08, 27,878.58 and 9,819.34 is: 14,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.08 : 27,878.58 = 9,819.34 : x
  2. Step 2: Convert to fraction form
    18,584.08/27,878.58 = 9,819.34/x
  3. Step 3: Cross multiply
    18,584.08x = 27,878.58 × 9,819.34
  4. Step 4: Simplify right side
    18,584.08x = 273,749,255.74
  5. Step 5: Solve for x
    x = 273,749,255.74/18,584.08
  6. Step 6: Final answer
    x = 14,730.31

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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.