Home / 19,539.08-29,311.35-6,392.48

Finding the Fourth Proportional to 19,539.08, 29,311.35 and 6,392.48

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Solution

The fourth proportional to 19,539.08, 29,311.35 and 6,392.48 is: 9,589.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.08 : 29,311.35 = 6,392.48 : x
  2. Step 2: Convert to fraction form
    19,539.08/29,311.35 = 6,392.48/x
  3. Step 3: Cross multiply
    19,539.08x = 29,311.35 × 6,392.48
  4. Step 4: Simplify right side
    19,539.08x = 187,372,186.69
  5. Step 5: Solve for x
    x = 187,372,186.69/19,539.08
  6. Step 6: Final answer
    x = 9,589.61

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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.