Home / 16,789.18-23,169.63-9,236.38

Finding the Fourth Proportional to 16,789.18, 23,169.63 and 9,236.38

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Solution

The fourth proportional to 16,789.18, 23,169.63 and 9,236.38 is: 12,746.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.18 : 23,169.63 = 9,236.38 : x
  2. Step 2: Convert to fraction form
    16,789.18/23,169.63 = 9,236.38/x
  3. Step 3: Cross multiply
    16,789.18x = 23,169.63 × 9,236.38
  4. Step 4: Simplify right side
    16,789.18x = 214,003,507.14
  5. Step 5: Solve for x
    x = 214,003,507.14/16,789.18
  6. Step 6: Final answer
    x = 12,746.51

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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.