Home / 16,228.99-22,396.68-9,155.41

Finding the Fourth Proportional to 16,228.99, 22,396.68 and 9,155.41

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Solution

The fourth proportional to 16,228.99, 22,396.68 and 9,155.41 is: 12,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,228.99 : 22,396.68 = 9,155.41 : x
  2. Step 2: Convert to fraction form
    16,228.99/22,396.68 = 9,155.41/x
  3. Step 3: Cross multiply
    16,228.99x = 22,396.68 × 9,155.41
  4. Step 4: Simplify right side
    16,228.99x = 205,050,788.04
  5. Step 5: Solve for x
    x = 205,050,788.04/16,228.99
  6. Step 6: Final answer
    x = 12,634.85

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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.