Home / 19,744.47-27,247.27-11,681.02

Finding the Fourth Proportional to 19,744.47, 27,247.27 and 11,681.02

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Solution

The fourth proportional to 19,744.47, 27,247.27 and 11,681.02 is: 16,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,744.47 : 27,247.27 = 11,681.02 : x
  2. Step 2: Convert to fraction form
    19,744.47/27,247.27 = 11,681.02/x
  3. Step 3: Cross multiply
    19,744.47x = 27,247.27 × 11,681.02
  4. Step 4: Simplify right side
    19,744.47x = 318,275,905.82
  5. Step 5: Solve for x
    x = 318,275,905.82/19,744.47
  6. Step 6: Final answer
    x = 16,119.75

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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.