Home / 18,698.72-28,037.56-6,212.06

Finding the Fourth Proportional to 18,698.72, 28,037.56 and 6,212.06

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Solution

The fourth proportional to 18,698.72, 28,037.56 and 6,212.06 is: 9,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.72 : 28,037.56 = 6,212.06 : x
  2. Step 2: Convert to fraction form
    18,698.72/28,037.56 = 6,212.06/x
  3. Step 3: Cross multiply
    18,698.72x = 28,037.56 × 6,212.06
  4. Step 4: Simplify right side
    18,698.72x = 174,171,004.97
  5. Step 5: Solve for x
    x = 174,171,004.97/18,698.72
  6. Step 6: Final answer
    x = 9,314.60

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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.