Home / 18,835.15-28,233.02-6,350.86

Finding the Fourth Proportional to 18,835.15, 28,233.02 and 6,350.86

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Solution

The fourth proportional to 18,835.15, 28,233.02 and 6,350.86 is: 9,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.15 : 28,233.02 = 6,350.86 : x
  2. Step 2: Convert to fraction form
    18,835.15/28,233.02 = 6,350.86/x
  3. Step 3: Cross multiply
    18,835.15x = 28,233.02 × 6,350.86
  4. Step 4: Simplify right side
    18,835.15x = 179,303,849.75
  5. Step 5: Solve for x
    x = 179,303,849.75/18,835.15
  6. Step 6: Final answer
    x = 9,519.64

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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.