Home / 19,829.36-27,366.27-10,878.61

Finding the Fourth Proportional to 19,829.36, 27,366.27 and 10,878.61

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Solution

The fourth proportional to 19,829.36, 27,366.27 and 10,878.61 is: 15,013.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.36 : 27,366.27 = 10,878.61 : x
  2. Step 2: Convert to fraction form
    19,829.36/27,366.27 = 10,878.61/x
  3. Step 3: Cross multiply
    19,829.36x = 27,366.27 × 10,878.61
  4. Step 4: Simplify right side
    19,829.36x = 297,706,978.48
  5. Step 5: Solve for x
    x = 297,706,978.48/19,829.36
  6. Step 6: Final answer
    x = 15,013.44

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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.