Home / 16,835.20-25,231.20-14,977.60

Finding the Fourth Proportional to 16,835.20, 25,231.20 and 14,977.60

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Solution

The fourth proportional to 16,835.20, 25,231.20 and 14,977.60 is: 22,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,835.20 : 25,231.20 = 14,977.60 : x
  2. Step 2: Convert to fraction form
    16,835.20/25,231.20 = 14,977.60/x
  3. Step 3: Cross multiply
    16,835.20x = 25,231.20 × 14,977.60
  4. Step 4: Simplify right side
    16,835.20x = 377,902,821.12
  5. Step 5: Solve for x
    x = 377,902,821.12/16,835.20
  6. Step 6: Final answer
    x = 22,447.18

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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.