Home / 18,313.24-25,272.34-11,591.86

Finding the Fourth Proportional to 18,313.24, 25,272.34 and 11,591.86

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Solution

The fourth proportional to 18,313.24, 25,272.34 and 11,591.86 is: 15,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.24 : 25,272.34 = 11,591.86 : x
  2. Step 2: Convert to fraction form
    18,313.24/25,272.34 = 11,591.86/x
  3. Step 3: Cross multiply
    18,313.24x = 25,272.34 × 11,591.86
  4. Step 4: Simplify right side
    18,313.24x = 292,953,427.15
  5. Step 5: Solve for x
    x = 292,953,427.15/18,313.24
  6. Step 6: Final answer
    x = 15,996.81

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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.