Home / 16,766.18-23,137.22-9,109.38

Finding the Fourth Proportional to 16,766.18, 23,137.22 and 9,109.38

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Solution

The fourth proportional to 16,766.18, 23,137.22 and 9,109.38 is: 12,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,766.18 : 23,137.22 = 9,109.38 : x
  2. Step 2: Convert to fraction form
    16,766.18/23,137.22 = 9,109.38/x
  3. Step 3: Cross multiply
    16,766.18x = 23,137.22 × 9,109.38
  4. Step 4: Simplify right side
    16,766.18x = 210,765,683.58
  5. Step 5: Solve for x
    x = 210,765,683.58/16,766.18
  6. Step 6: Final answer
    x = 12,570.89

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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.