Home / 18,234.88-27,347.40-7,704.96

Finding the Fourth Proportional to 18,234.88, 27,347.40 and 7,704.96

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Solution

The fourth proportional to 18,234.88, 27,347.40 and 7,704.96 is: 11,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.88 : 27,347.40 = 7,704.96 : x
  2. Step 2: Convert to fraction form
    18,234.88/27,347.40 = 7,704.96/x
  3. Step 3: Cross multiply
    18,234.88x = 27,347.40 × 7,704.96
  4. Step 4: Simplify right side
    18,234.88x = 210,710,623.10
  5. Step 5: Solve for x
    x = 210,710,623.10/18,234.88
  6. Step 6: Final answer
    x = 11,555.36

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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.