Home / 13,236.22-18,266.27-7,571.48

Finding the Fourth Proportional to 13,236.22, 18,266.27 and 7,571.48

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Solution

The fourth proportional to 13,236.22, 18,266.27 and 7,571.48 is: 10,448.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.22 : 18,266.27 = 7,571.48 : x
  2. Step 2: Convert to fraction form
    13,236.22/18,266.27 = 7,571.48/x
  3. Step 3: Cross multiply
    13,236.22x = 18,266.27 × 7,571.48
  4. Step 4: Simplify right side
    13,236.22x = 138,302,697.98
  5. Step 5: Solve for x
    x = 138,302,697.98/13,236.22
  6. Step 6: Final answer
    x = 10,448.81

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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.