Home / 16,818.88-23,209.85-9,265.07

Finding the Fourth Proportional to 16,818.88, 23,209.85 and 9,265.07

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Solution

The fourth proportional to 16,818.88, 23,209.85 and 9,265.07 is: 12,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.88 : 23,209.85 = 9,265.07 : x
  2. Step 2: Convert to fraction form
    16,818.88/23,209.85 = 9,265.07/x
  3. Step 3: Cross multiply
    16,818.88x = 23,209.85 × 9,265.07
  4. Step 4: Simplify right side
    16,818.88x = 215,040,884.94
  5. Step 5: Solve for x
    x = 215,040,884.94/16,818.88
  6. Step 6: Final answer
    x = 12,785.68

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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.