Home / 16,217.11-22,379.62-9,143.53

Finding the Fourth Proportional to 16,217.11, 22,379.62 and 9,143.53

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Solution

The fourth proportional to 16,217.11, 22,379.62 and 9,143.53 is: 12,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,217.11 : 22,379.62 = 9,143.53 : x
  2. Step 2: Convert to fraction form
    16,217.11/22,379.62 = 9,143.53/x
  3. Step 3: Cross multiply
    16,217.11x = 22,379.62 × 9,143.53
  4. Step 4: Simplify right side
    16,217.11x = 204,628,765.36
  5. Step 5: Solve for x
    x = 204,628,765.36/16,217.11
  6. Step 6: Final answer
    x = 12,618.08

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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.