Home / 19,733.07-27,231.19-10,780.61

Finding the Fourth Proportional to 19,733.07, 27,231.19 and 10,780.61

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Solution

The fourth proportional to 19,733.07, 27,231.19 and 10,780.61 is: 14,877.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,733.07 : 27,231.19 = 10,780.61 : x
  2. Step 2: Convert to fraction form
    19,733.07/27,231.19 = 10,780.61/x
  3. Step 3: Cross multiply
    19,733.07x = 27,231.19 × 10,780.61
  4. Step 4: Simplify right side
    19,733.07x = 293,568,839.23
  5. Step 5: Solve for x
    x = 293,568,839.23/19,733.07
  6. Step 6: Final answer
    x = 14,877.00

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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.