Home / 12,023.92-18,036-4,232.80

Finding the Fourth Proportional to 12,023.92, 18,036 and 4,232.80

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Solution

The fourth proportional to 12,023.92, 18,036 and 4,232.80 is: 6,349.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.92 : 18,036 = 4,232.80 : x
  2. Step 2: Convert to fraction form
    12,023.92/18,036 = 4,232.80/x
  3. Step 3: Cross multiply
    12,023.92x = 18,036 × 4,232.80
  4. Step 4: Simplify right side
    12,023.92x = 76,342,780.80
  5. Step 5: Solve for x
    x = 76,342,780.80/12,023.92
  6. Step 6: Final answer
    x = 6,349.24

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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.