Home / 16,766.23-23,137.28-9,109.44

Finding the Fourth Proportional to 16,766.23, 23,137.28 and 9,109.44

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Solution

The fourth proportional to 16,766.23, 23,137.28 and 9,109.44 is: 12,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,766.23 : 23,137.28 = 9,109.44 : x
  2. Step 2: Convert to fraction form
    16,766.23/23,137.28 = 9,109.44/x
  3. Step 3: Cross multiply
    16,766.23x = 23,137.28 × 9,109.44
  4. Step 4: Simplify right side
    16,766.23x = 210,767,502.69
  5. Step 5: Solve for x
    x = 210,767,502.69/16,766.23
  6. Step 6: Final answer
    x = 12,570.95

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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.