Home / 13,273.35-18,309.57-8,296.71

Finding the Fourth Proportional to 13,273.35, 18,309.57 and 8,296.71

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Solution

The fourth proportional to 13,273.35, 18,309.57 and 8,296.71 is: 11,444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.35 : 18,309.57 = 8,296.71 : x
  2. Step 2: Convert to fraction form
    13,273.35/18,309.57 = 8,296.71/x
  3. Step 3: Cross multiply
    13,273.35x = 18,309.57 × 8,296.71
  4. Step 4: Simplify right side
    13,273.35x = 151,909,192.51
  5. Step 5: Solve for x
    x = 151,909,192.51/13,273.35
  6. Step 6: Final answer
    x = 11,444.68

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Similar ratio
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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.