Home / 18,450.59-25,472.34-12,173.90

Finding the Fourth Proportional to 18,450.59, 25,472.34 and 12,173.90

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Solution

The fourth proportional to 18,450.59, 25,472.34 and 12,173.90 is: 16,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.59 : 25,472.34 = 12,173.90 : x
  2. Step 2: Convert to fraction form
    18,450.59/25,472.34 = 12,173.90/x
  3. Step 3: Cross multiply
    18,450.59x = 25,472.34 × 12,173.90
  4. Step 4: Simplify right side
    18,450.59x = 310,097,592.56
  5. Step 5: Solve for x
    x = 310,097,592.56/18,450.59
  6. Step 6: Final answer
    x = 16,806.92

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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.