Home / 18,440.64-25,447.23-10,481.85

Finding the Fourth Proportional to 18,440.64, 25,447.23 and 10,481.85

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Solution

The fourth proportional to 18,440.64, 25,447.23 and 10,481.85 is: 14,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.64 : 25,447.23 = 10,481.85 : x
  2. Step 2: Convert to fraction form
    18,440.64/25,447.23 = 10,481.85/x
  3. Step 3: Cross multiply
    18,440.64x = 25,447.23 × 10,481.85
  4. Step 4: Simplify right side
    18,440.64x = 266,734,047.78
  5. Step 5: Solve for x
    x = 266,734,047.78/18,440.64
  6. Step 6: Final answer
    x = 14,464.47

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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.