Home / 16,813.89-23,202.42-9,638.66

Finding the Fourth Proportional to 16,813.89, 23,202.42 and 9,638.66

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Solution

The fourth proportional to 16,813.89, 23,202.42 and 9,638.66 is: 13,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.89 : 23,202.42 = 9,638.66 : x
  2. Step 2: Convert to fraction form
    16,813.89/23,202.42 = 9,638.66/x
  3. Step 3: Cross multiply
    16,813.89x = 23,202.42 × 9,638.66
  4. Step 4: Simplify right side
    16,813.89x = 223,640,255.28
  5. Step 5: Solve for x
    x = 223,640,255.28/16,813.89
  6. Step 6: Final answer
    x = 13,300.92

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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.