Home / 17,485.54-26,234.79-8,130.58

Finding the Fourth Proportional to 17,485.54, 26,234.79 and 8,130.58

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Solution

The fourth proportional to 17,485.54, 26,234.79 and 8,130.58 is: 12,198.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,485.54 : 26,234.79 = 8,130.58 : x
  2. Step 2: Convert to fraction form
    17,485.54/26,234.79 = 8,130.58/x
  3. Step 3: Cross multiply
    17,485.54x = 26,234.79 × 8,130.58
  4. Step 4: Simplify right side
    17,485.54x = 213,304,058.88
  5. Step 5: Solve for x
    x = 213,304,058.88/17,485.54
  6. Step 6: Final answer
    x = 12,198.88

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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.