Home / 16,863.11-23,272.67-12,606.80

Finding the Fourth Proportional to 16,863.11, 23,272.67 and 12,606.80

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Solution

The fourth proportional to 16,863.11, 23,272.67 and 12,606.80 is: 17,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.11 : 23,272.67 = 12,606.80 : x
  2. Step 2: Convert to fraction form
    16,863.11/23,272.67 = 12,606.80/x
  3. Step 3: Cross multiply
    16,863.11x = 23,272.67 × 12,606.80
  4. Step 4: Simplify right side
    16,863.11x = 293,393,833.12
  5. Step 5: Solve for x
    x = 293,393,833.12/16,863.11
  6. Step 6: Final answer
    x = 17,398.56

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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.