Home / 16,948.20-23,390.16-9,396.99

Finding the Fourth Proportional to 16,948.20, 23,390.16 and 9,396.99

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Solution

The fourth proportional to 16,948.20, 23,390.16 and 9,396.99 is: 12,968.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,948.20 : 23,390.16 = 9,396.99 : x
  2. Step 2: Convert to fraction form
    16,948.20/23,390.16 = 9,396.99/x
  3. Step 3: Cross multiply
    16,948.20x = 23,390.16 × 9,396.99
  4. Step 4: Simplify right side
    16,948.20x = 219,797,099.62
  5. Step 5: Solve for x
    x = 219,797,099.62/16,948.20
  6. Step 6: Final answer
    x = 12,968.76

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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.