Home / 16,268.78-24,388.36-6,405.75

Finding the Fourth Proportional to 16,268.78, 24,388.36 and 6,405.75

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Solution

The fourth proportional to 16,268.78, 24,388.36 and 6,405.75 is: 9,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,268.78 : 24,388.36 = 6,405.75 : x
  2. Step 2: Convert to fraction form
    16,268.78/24,388.36 = 6,405.75/x
  3. Step 3: Cross multiply
    16,268.78x = 24,388.36 × 6,405.75
  4. Step 4: Simplify right side
    16,268.78x = 156,225,721.06
  5. Step 5: Solve for x
    x = 156,225,721.06/16,268.78
  6. Step 6: Final answer
    x = 9,602.79

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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.