Home / 19,109.22-28,664.16-6,629.68

Finding the Fourth Proportional to 19,109.22, 28,664.16 and 6,629.68

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Solution

The fourth proportional to 19,109.22, 28,664.16 and 6,629.68 is: 9,944.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.22 : 28,664.16 = 6,629.68 : x
  2. Step 2: Convert to fraction form
    19,109.22/28,664.16 = 6,629.68/x
  3. Step 3: Cross multiply
    19,109.22x = 28,664.16 × 6,629.68
  4. Step 4: Simplify right side
    19,109.22x = 190,034,208.27
  5. Step 5: Solve for x
    x = 190,034,208.27/19,109.22
  6. Step 6: Final answer
    x = 9,944.63

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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.