Home / 16,396.68-22,622.58-9,682.86

Finding the Fourth Proportional to 16,396.68, 22,622.58 and 9,682.86

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Solution

The fourth proportional to 16,396.68, 22,622.58 and 9,682.86 is: 13,359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,396.68 : 22,622.58 = 9,682.86 : x
  2. Step 2: Convert to fraction form
    16,396.68/22,622.58 = 9,682.86/x
  3. Step 3: Cross multiply
    16,396.68x = 22,622.58 × 9,682.86
  4. Step 4: Simplify right side
    16,396.68x = 219,051,274.98
  5. Step 5: Solve for x
    x = 219,051,274.98/16,396.68
  6. Step 6: Final answer
    x = 13,359.49

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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.