Home / 16,209.54-22,369.44-9,136.08

Finding the Fourth Proportional to 16,209.54, 22,369.44 and 9,136.08

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Solution

The fourth proportional to 16,209.54, 22,369.44 and 9,136.08 is: 12,607.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,209.54 : 22,369.44 = 9,136.08 : x
  2. Step 2: Convert to fraction form
    16,209.54/22,369.44 = 9,136.08/x
  3. Step 3: Cross multiply
    16,209.54x = 22,369.44 × 9,136.08
  4. Step 4: Simplify right side
    16,209.54x = 204,368,993.40
  5. Step 5: Solve for x
    x = 204,368,993.40/16,209.54
  6. Step 6: Final answer
    x = 12,607.95

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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.