Home / 16,789.60-23,169.15-9,235.92

Finding the Fourth Proportional to 16,789.60, 23,169.15 and 9,235.92

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Solution

The fourth proportional to 16,789.60, 23,169.15 and 9,235.92 is: 12,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.60 : 23,169.15 = 9,235.92 : x
  2. Step 2: Convert to fraction form
    16,789.60/23,169.15 = 9,235.92/x
  3. Step 3: Cross multiply
    16,789.60x = 23,169.15 × 9,235.92
  4. Step 4: Simplify right side
    16,789.60x = 213,988,502.75
  5. Step 5: Solve for x
    x = 213,988,502.75/16,789.60
  6. Step 6: Final answer
    x = 12,745.30

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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.