Home / 19,409.76-26,786.41-10,914.55

Finding the Fourth Proportional to 19,409.76, 26,786.41 and 10,914.55

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Solution

The fourth proportional to 19,409.76, 26,786.41 and 10,914.55 is: 15,062.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.76 : 26,786.41 = 10,914.55 : x
  2. Step 2: Convert to fraction form
    19,409.76/26,786.41 = 10,914.55/x
  3. Step 3: Cross multiply
    19,409.76x = 26,786.41 × 10,914.55
  4. Step 4: Simplify right side
    19,409.76x = 292,361,658.39
  5. Step 5: Solve for x
    x = 292,361,658.39/19,409.76
  6. Step 6: Final answer
    x = 15,062.61

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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.