Home / 16,893.09-23,310.45-9,338.40

Finding the Fourth Proportional to 16,893.09, 23,310.45 and 9,338.40

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Solution

The fourth proportional to 16,893.09, 23,310.45 and 9,338.40 is: 12,885.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893.09 : 23,310.45 = 9,338.40 : x
  2. Step 2: Convert to fraction form
    16,893.09/23,310.45 = 9,338.40/x
  3. Step 3: Cross multiply
    16,893.09x = 23,310.45 × 9,338.40
  4. Step 4: Simplify right side
    16,893.09x = 217,682,306.28
  5. Step 5: Solve for x
    x = 217,682,306.28/16,893.09
  6. Step 6: Final answer
    x = 12,885.88

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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.