Home / 16,789.92-23,157.36-13,246.08

Finding the Fourth Proportional to 16,789.92, 23,157.36 and 13,246.08

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Solution

The fourth proportional to 16,789.92, 23,157.36 and 13,246.08 is: 18,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.92 : 23,157.36 = 13,246.08 : x
  2. Step 2: Convert to fraction form
    16,789.92/23,157.36 = 13,246.08/x
  3. Step 3: Cross multiply
    16,789.92x = 23,157.36 × 13,246.08
  4. Step 4: Simplify right side
    16,789.92x = 306,744,243.15
  5. Step 5: Solve for x
    x = 306,744,243.15/16,789.92
  6. Step 6: Final answer
    x = 18,269.55

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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.