Home / 19,409.94-26,786.67-10,914.74

Finding the Fourth Proportional to 19,409.94, 26,786.67 and 10,914.74

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Solution

The fourth proportional to 19,409.94, 26,786.67 and 10,914.74 is: 15,062.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.94 : 26,786.67 = 10,914.74 : x
  2. Step 2: Convert to fraction form
    19,409.94/26,786.67 = 10,914.74/x
  3. Step 3: Cross multiply
    19,409.94x = 26,786.67 × 10,914.74
  4. Step 4: Simplify right side
    19,409.94x = 292,369,505.03
  5. Step 5: Solve for x
    x = 292,369,505.03/19,409.94
  6. Step 6: Final answer
    x = 15,062.87

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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.