Home / 13,296.09-18,348.60-7,327.74

Finding the Fourth Proportional to 13,296.09, 18,348.60 and 7,327.74

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Solution

The fourth proportional to 13,296.09, 18,348.60 and 7,327.74 is: 10,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.09 : 18,348.60 = 7,327.74 : x
  2. Step 2: Convert to fraction form
    13,296.09/18,348.60 = 7,327.74/x
  3. Step 3: Cross multiply
    13,296.09x = 18,348.60 × 7,327.74
  4. Step 4: Simplify right side
    13,296.09x = 134,453,770.16
  5. Step 5: Solve for x
    x = 134,453,770.16/13,296.09
  6. Step 6: Final answer
    x = 10,112.28

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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.