Home / 19,956.25-27,539.81-11,004.08

Finding the Fourth Proportional to 19,956.25, 27,539.81 and 11,004.08

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Solution

The fourth proportional to 19,956.25, 27,539.81 and 11,004.08 is: 15,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.25 : 27,539.81 = 11,004.08 : x
  2. Step 2: Convert to fraction form
    19,956.25/27,539.81 = 11,004.08/x
  3. Step 3: Cross multiply
    19,956.25x = 27,539.81 × 11,004.08
  4. Step 4: Simplify right side
    19,956.25x = 303,050,079.71
  5. Step 5: Solve for x
    x = 303,050,079.71/19,956.25
  6. Step 6: Final answer
    x = 15,185.72

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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.