Home / 18,622.70-25,701.67-11,550.18

Finding the Fourth Proportional to 18,622.70, 25,701.67 and 11,550.18

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Solution

The fourth proportional to 18,622.70, 25,701.67 and 11,550.18 is: 15,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.70 : 25,701.67 = 11,550.18 : x
  2. Step 2: Convert to fraction form
    18,622.70/25,701.67 = 11,550.18/x
  3. Step 3: Cross multiply
    18,622.70x = 25,701.67 × 11,550.18
  4. Step 4: Simplify right side
    18,622.70x = 296,858,914.80
  5. Step 5: Solve for x
    x = 296,858,914.80/18,622.70
  6. Step 6: Final answer
    x = 15,940.70

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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.