Home / 16,720.44-23,074.16-9,167.09

Finding the Fourth Proportional to 16,720.44, 23,074.16 and 9,167.09

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Solution

The fourth proportional to 16,720.44, 23,074.16 and 9,167.09 is: 12,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.44 : 23,074.16 = 9,167.09 : x
  2. Step 2: Convert to fraction form
    16,720.44/23,074.16 = 9,167.09/x
  3. Step 3: Cross multiply
    16,720.44x = 23,074.16 × 9,167.09
  4. Step 4: Simplify right side
    16,720.44x = 211,522,740.19
  5. Step 5: Solve for x
    x = 211,522,740.19/16,720.44
  6. Step 6: Final answer
    x = 12,650.55

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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.