Home / 13,182.43-19,865.35-11,933.41

Finding the Fourth Proportional to 13,182.43, 19,865.35 and 11,933.41

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Solution

The fourth proportional to 13,182.43, 19,865.35 and 11,933.41 is: 17,983.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.43 : 19,865.35 = 11,933.41 : x
  2. Step 2: Convert to fraction form
    13,182.43/19,865.35 = 11,933.41/x
  3. Step 3: Cross multiply
    13,182.43x = 19,865.35 × 11,933.41
  4. Step 4: Simplify right side
    13,182.43x = 237,061,267.02
  5. Step 5: Solve for x
    x = 237,061,267.02/13,182.43
  6. Step 6: Final answer
    x = 17,983.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.