Home / 16,805.28-23,190.93-9,251.22

Finding the Fourth Proportional to 16,805.28, 23,190.93 and 9,251.22

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Solution

The fourth proportional to 16,805.28, 23,190.93 and 9,251.22 is: 12,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.28 : 23,190.93 = 9,251.22 : x
  2. Step 2: Convert to fraction form
    16,805.28/23,190.93 = 9,251.22/x
  3. Step 3: Cross multiply
    16,805.28x = 23,190.93 × 9,251.22
  4. Step 4: Simplify right side
    16,805.28x = 214,544,395.43
  5. Step 5: Solve for x
    x = 214,544,395.43/16,805.28
  6. Step 6: Final answer
    x = 12,766.49

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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.