Home / 15,254.41-21,052.02-8,540.46

Finding the Fourth Proportional to 15,254.41, 21,052.02 and 8,540.46

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Solution

The fourth proportional to 15,254.41, 21,052.02 and 8,540.46 is: 11,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,254.41 : 21,052.02 = 8,540.46 : x
  2. Step 2: Convert to fraction form
    15,254.41/21,052.02 = 8,540.46/x
  3. Step 3: Cross multiply
    15,254.41x = 21,052.02 × 8,540.46
  4. Step 4: Simplify right side
    15,254.41x = 179,793,934.73
  5. Step 5: Solve for x
    x = 179,793,934.73/15,254.41
  6. Step 6: Final answer
    x = 11,786.36

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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.