Home / 16,217.24-22,379.73-9,143.60

Finding the Fourth Proportional to 16,217.24, 22,379.73 and 9,143.60

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Solution

The fourth proportional to 16,217.24, 22,379.73 and 9,143.60 is: 12,618.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,217.24 : 22,379.73 = 9,143.60 : x
  2. Step 2: Convert to fraction form
    16,217.24/22,379.73 = 9,143.60/x
  3. Step 3: Cross multiply
    16,217.24x = 22,379.73 × 9,143.60
  4. Step 4: Simplify right side
    16,217.24x = 204,631,187.33
  5. Step 5: Solve for x
    x = 204,631,187.33/16,217.24
  6. Step 6: Final answer
    x = 12,618.13

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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.