Home / 23,021.72-34,524.73-8,980.64

Finding the Fourth Proportional to 23,021.72, 34,524.73 and 8,980.64

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Solution

The fourth proportional to 23,021.72, 34,524.73 and 8,980.64 is: 13,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,021.72 : 34,524.73 = 8,980.64 : x
  2. Step 2: Convert to fraction form
    23,021.72/34,524.73 = 8,980.64/x
  3. Step 3: Cross multiply
    23,021.72x = 34,524.73 × 8,980.64
  4. Step 4: Simplify right side
    23,021.72x = 310,054,171.23
  5. Step 5: Solve for x
    x = 310,054,171.23/23,021.72
  6. Step 6: Final answer
    x = 13,467.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.