Home / 13,237.36-18,268.22-7,268.96

Finding the Fourth Proportional to 13,237.36, 18,268.22 and 7,268.96

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Solution

The fourth proportional to 13,237.36, 18,268.22 and 7,268.96 is: 10,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.36 : 18,268.22 = 7,268.96 : x
  2. Step 2: Convert to fraction form
    13,237.36/18,268.22 = 7,268.96/x
  3. Step 3: Cross multiply
    13,237.36x = 18,268.22 × 7,268.96
  4. Step 4: Simplify right side
    13,237.36x = 132,790,960.45
  5. Step 5: Solve for x
    x = 132,790,960.45/13,237.36
  6. Step 6: Final answer
    x = 10,031.53

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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.