Home / 18,624.90-25,694.73-11,908.74

Finding the Fourth Proportional to 18,624.90, 25,694.73 and 11,908.74

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Solution

The fourth proportional to 18,624.90, 25,694.73 and 11,908.74 is: 16,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,624.90 : 25,694.73 = 11,908.74 : x
  2. Step 2: Convert to fraction form
    18,624.90/25,694.73 = 11,908.74/x
  3. Step 3: Cross multiply
    18,624.90x = 25,694.73 × 11,908.74
  4. Step 4: Simplify right side
    18,624.90x = 305,991,858.94
  5. Step 5: Solve for x
    x = 305,991,858.94/18,624.90
  6. Step 6: Final answer
    x = 16,429.18

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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.