Home / 13,295.82-18,348.66-7,327.71

Finding the Fourth Proportional to 13,295.82, 18,348.66 and 7,327.71

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Solution

The fourth proportional to 13,295.82, 18,348.66 and 7,327.71 is: 10,112.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.82 : 18,348.66 = 7,327.71 : x
  2. Step 2: Convert to fraction form
    13,295.82/18,348.66 = 7,327.71/x
  3. Step 3: Cross multiply
    13,295.82x = 18,348.66 × 7,327.71
  4. Step 4: Simplify right side
    13,295.82x = 134,453,659.37
  5. Step 5: Solve for x
    x = 134,453,659.37/13,295.82
  6. Step 6: Final answer
    x = 10,112.47

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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.