Home / 18,319.24-25,277.34-11,247.94

Finding the Fourth Proportional to 18,319.24, 25,277.34 and 11,247.94

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Solution

The fourth proportional to 18,319.24, 25,277.34 and 11,247.94 is: 15,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.24 : 25,277.34 = 11,247.94 : x
  2. Step 2: Convert to fraction form
    18,319.24/25,277.34 = 11,247.94/x
  3. Step 3: Cross multiply
    18,319.24x = 25,277.34 × 11,247.94
  4. Step 4: Simplify right side
    18,319.24x = 284,318,003.68
  5. Step 5: Solve for x
    x = 284,318,003.68/18,319.24
  6. Step 6: Final answer
    x = 15,520.19

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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.