Home / 16,727.28-23,083.64-9,173.74

Finding the Fourth Proportional to 16,727.28, 23,083.64 and 9,173.74

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Solution

The fourth proportional to 16,727.28, 23,083.64 and 9,173.74 is: 12,659.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,727.28 : 23,083.64 = 9,173.74 : x
  2. Step 2: Convert to fraction form
    16,727.28/23,083.64 = 9,173.74/x
  3. Step 3: Cross multiply
    16,727.28x = 23,083.64 × 9,173.74
  4. Step 4: Simplify right side
    16,727.28x = 211,763,311.61
  5. Step 5: Solve for x
    x = 211,763,311.61/16,727.28
  6. Step 6: Final answer
    x = 12,659.76

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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.