Home / 15,768.12-23,651.66-6,405.37

Finding the Fourth Proportional to 15,768.12, 23,651.66 and 6,405.37

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Solution

The fourth proportional to 15,768.12, 23,651.66 and 6,405.37 is: 9,607.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768.12 : 23,651.66 = 6,405.37 : x
  2. Step 2: Convert to fraction form
    15,768.12/23,651.66 = 6,405.37/x
  3. Step 3: Cross multiply
    15,768.12x = 23,651.66 × 6,405.37
  4. Step 4: Simplify right side
    15,768.12x = 151,497,590.30
  5. Step 5: Solve for x
    x = 151,497,590.30/15,768.12
  6. Step 6: Final answer
    x = 9,607.84

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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.