Home / 19,850.51-27,395.04-13,124.58

Finding the Fourth Proportional to 19,850.51, 27,395.04 and 13,124.58

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Solution

The fourth proportional to 19,850.51, 27,395.04 and 13,124.58 is: 18,112.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.51 : 27,395.04 = 13,124.58 : x
  2. Step 2: Convert to fraction form
    19,850.51/27,395.04 = 13,124.58/x
  3. Step 3: Cross multiply
    19,850.51x = 27,395.04 × 13,124.58
  4. Step 4: Simplify right side
    19,850.51x = 359,548,191.49
  5. Step 5: Solve for x
    x = 359,548,191.49/19,850.51
  6. Step 6: Final answer
    x = 18,112.79

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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.