Home / 19,732.41-27,231.26-10,780.29

Finding the Fourth Proportional to 19,732.41, 27,231.26 and 10,780.29

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Solution

The fourth proportional to 19,732.41, 27,231.26 and 10,780.29 is: 14,877.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,732.41 : 27,231.26 = 10,780.29 : x
  2. Step 2: Convert to fraction form
    19,732.41/27,231.26 = 10,780.29/x
  3. Step 3: Cross multiply
    19,732.41x = 27,231.26 × 10,780.29
  4. Step 4: Simplify right side
    19,732.41x = 293,560,825.96
  5. Step 5: Solve for x
    x = 293,560,825.96/19,732.41
  6. Step 6: Final answer
    x = 14,877.09

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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.