Home / 18,653.20-25,736.52-11,098.96

Finding the Fourth Proportional to 18,653.20, 25,736.52 and 11,098.96

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Solution

The fourth proportional to 18,653.20, 25,736.52 and 11,098.96 is: 15,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,653.20 : 25,736.52 = 11,098.96 : x
  2. Step 2: Convert to fraction form
    18,653.20/25,736.52 = 11,098.96/x
  3. Step 3: Cross multiply
    18,653.20x = 25,736.52 × 11,098.96
  4. Step 4: Simplify right side
    18,653.20x = 285,648,606.02
  5. Step 5: Solve for x
    x = 285,648,606.02/18,653.20
  6. Step 6: Final answer
    x = 15,313.65

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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.