Home / 18,962.64-26,161.20-11,003.52

Finding the Fourth Proportional to 18,962.64, 26,161.20 and 11,003.52

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Solution

The fourth proportional to 18,962.64, 26,161.20 and 11,003.52 is: 15,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.64 : 26,161.20 = 11,003.52 : x
  2. Step 2: Convert to fraction form
    18,962.64/26,161.20 = 11,003.52/x
  3. Step 3: Cross multiply
    18,962.64x = 26,161.20 × 11,003.52
  4. Step 4: Simplify right side
    18,962.64x = 287,865,287.42
  5. Step 5: Solve for x
    x = 287,865,287.42/18,962.64
  6. Step 6: Final answer
    x = 15,180.65

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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.