Home / 19,824.85-27,344.01-12,744.51

Finding the Fourth Proportional to 19,824.85, 27,344.01 and 12,744.51

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Solution

The fourth proportional to 19,824.85, 27,344.01 and 12,744.51 is: 17,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.85 : 27,344.01 = 12,744.51 : x
  2. Step 2: Convert to fraction form
    19,824.85/27,344.01 = 12,744.51/x
  3. Step 3: Cross multiply
    19,824.85x = 27,344.01 × 12,744.51
  4. Step 4: Simplify right side
    19,824.85x = 348,486,008.89
  5. Step 5: Solve for x
    x = 348,486,008.89/19,824.85
  6. Step 6: Final answer
    x = 17,578.24

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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.