Home / 18,743.71-25,881.21-11,584.03

Finding the Fourth Proportional to 18,743.71, 25,881.21 and 11,584.03

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Solution

The fourth proportional to 18,743.71, 25,881.21 and 11,584.03 is: 15,995.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.71 : 25,881.21 = 11,584.03 : x
  2. Step 2: Convert to fraction form
    18,743.71/25,881.21 = 11,584.03/x
  3. Step 3: Cross multiply
    18,743.71x = 25,881.21 × 11,584.03
  4. Step 4: Simplify right side
    18,743.71x = 299,808,713.08
  5. Step 5: Solve for x
    x = 299,808,713.08/18,743.71
  6. Step 6: Final answer
    x = 15,995.16

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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.