Home / 18,726.84-25,844.40-10,771.56

Finding the Fourth Proportional to 18,726.84, 25,844.40 and 10,771.56

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Solution

The fourth proportional to 18,726.84, 25,844.40 and 10,771.56 is: 14,865.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.84 : 25,844.40 = 10,771.56 : x
  2. Step 2: Convert to fraction form
    18,726.84/25,844.40 = 10,771.56/x
  3. Step 3: Cross multiply
    18,726.84x = 25,844.40 × 10,771.56
  4. Step 4: Simplify right side
    18,726.84x = 278,384,505.26
  5. Step 5: Solve for x
    x = 278,384,505.26/18,726.84
  6. Step 6: Final answer
    x = 14,865.54

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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.