Home / 16,723.73-23,079.02-9,170.75

Finding the Fourth Proportional to 16,723.73, 23,079.02 and 9,170.75

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Solution

The fourth proportional to 16,723.73, 23,079.02 and 9,170.75 is: 12,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,723.73 : 23,079.02 = 9,170.75 : x
  2. Step 2: Convert to fraction form
    16,723.73/23,079.02 = 9,170.75/x
  3. Step 3: Cross multiply
    16,723.73x = 23,079.02 × 9,170.75
  4. Step 4: Simplify right side
    16,723.73x = 211,651,876.81
  5. Step 5: Solve for x
    x = 211,651,876.81/16,723.73
  6. Step 6: Final answer
    x = 12,655.78

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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.