Home / 16,835.84-23,231.88-9,761.50

Finding the Fourth Proportional to 16,835.84, 23,231.88 and 9,761.50

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Solution

The fourth proportional to 16,835.84, 23,231.88 and 9,761.50 is: 13,469.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,835.84 : 23,231.88 = 9,761.50 : x
  2. Step 2: Convert to fraction form
    16,835.84/23,231.88 = 9,761.50/x
  3. Step 3: Cross multiply
    16,835.84x = 23,231.88 × 9,761.50
  4. Step 4: Simplify right side
    16,835.84x = 226,777,996.62
  5. Step 5: Solve for x
    x = 226,777,996.62/16,835.84
  6. Step 6: Final answer
    x = 13,469.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.