Home / 18,865.75-26,033.19-10,908.45

Finding the Fourth Proportional to 18,865.75, 26,033.19 and 10,908.45

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Solution

The fourth proportional to 18,865.75, 26,033.19 and 10,908.45 is: 15,052.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865.75 : 26,033.19 = 10,908.45 : x
  2. Step 2: Convert to fraction form
    18,865.75/26,033.19 = 10,908.45/x
  3. Step 3: Cross multiply
    18,865.75x = 26,033.19 × 10,908.45
  4. Step 4: Simplify right side
    18,865.75x = 283,981,751.46
  5. Step 5: Solve for x
    x = 283,981,751.46/18,865.75
  6. Step 6: Final answer
    x = 15,052.77

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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.