Home / 16,511.23-22,790.53-13,177

Finding the Fourth Proportional to 16,511.23, 22,790.53 and 13,177

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Solution

The fourth proportional to 16,511.23, 22,790.53 and 13,177 is: 18,188.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,511.23 : 22,790.53 = 13,177 : x
  2. Step 2: Convert to fraction form
    16,511.23/22,790.53 = 13,177/x
  3. Step 3: Cross multiply
    16,511.23x = 22,790.53 × 13,177
  4. Step 4: Simplify right side
    16,511.23x = 300,310,813.81
  5. Step 5: Solve for x
    x = 300,310,813.81/16,511.23
  6. Step 6: Final answer
    x = 18,188.28

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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.