Home / 18,982.64-26,199.24-11,029.47

Finding the Fourth Proportional to 18,982.64, 26,199.24 and 11,029.47

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Solution

The fourth proportional to 18,982.64, 26,199.24 and 11,029.47 is: 15,222.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.64 : 26,199.24 = 11,029.47 : x
  2. Step 2: Convert to fraction form
    18,982.64/26,199.24 = 11,029.47/x
  3. Step 3: Cross multiply
    18,982.64x = 26,199.24 × 11,029.47
  4. Step 4: Simplify right side
    18,982.64x = 288,963,731.60
  5. Step 5: Solve for x
    x = 288,963,731.60/18,982.64
  6. Step 6: Final answer
    x = 15,222.53

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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.