Home / 18,176.40-25,072.74-11,450.16

Finding the Fourth Proportional to 18,176.40, 25,072.74 and 11,450.16

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Solution

The fourth proportional to 18,176.40, 25,072.74 and 11,450.16 is: 15,794.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.40 : 25,072.74 = 11,450.16 : x
  2. Step 2: Convert to fraction form
    18,176.40/25,072.74 = 11,450.16/x
  3. Step 3: Cross multiply
    18,176.40x = 25,072.74 × 11,450.16
  4. Step 4: Simplify right side
    18,176.40x = 287,086,884.64
  5. Step 5: Solve for x
    x = 287,086,884.64/18,176.40
  6. Step 6: Final answer
    x = 15,794.49

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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.