Home / 19,436.67-26,824.78-10,940.86

Finding the Fourth Proportional to 19,436.67, 26,824.78 and 10,940.86

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Solution

The fourth proportional to 19,436.67, 26,824.78 and 10,940.86 is: 15,099.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.67 : 26,824.78 = 10,940.86 : x
  2. Step 2: Convert to fraction form
    19,436.67/26,824.78 = 10,940.86/x
  3. Step 3: Cross multiply
    19,436.67x = 26,824.78 × 10,940.86
  4. Step 4: Simplify right side
    19,436.67x = 293,486,162.51
  5. Step 5: Solve for x
    x = 293,486,162.51/19,436.67
  6. Step 6: Final answer
    x = 15,099.61

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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.