Home / 19,956.33-27,539.28-11,003.58

Finding the Fourth Proportional to 19,956.33, 27,539.28 and 11,003.58

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Solution

The fourth proportional to 19,956.33, 27,539.28 and 11,003.58 is: 15,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.33 : 27,539.28 = 11,003.58 : x
  2. Step 2: Convert to fraction form
    19,956.33/27,539.28 = 11,003.58/x
  3. Step 3: Cross multiply
    19,956.33x = 27,539.28 × 11,003.58
  4. Step 4: Simplify right side
    19,956.33x = 303,030,670.62
  5. Step 5: Solve for x
    x = 303,030,670.62/19,956.33
  6. Step 6: Final answer
    x = 15,184.69

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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.