Home / 15,284.55-22,921.65-5,422.41

Finding the Fourth Proportional to 15,284.55, 22,921.65 and 5,422.41

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Solution

The fourth proportional to 15,284.55, 22,921.65 and 5,422.41 is: 8,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.55 : 22,921.65 = 5,422.41 : x
  2. Step 2: Convert to fraction form
    15,284.55/22,921.65 = 5,422.41/x
  3. Step 3: Cross multiply
    15,284.55x = 22,921.65 × 5,422.41
  4. Step 4: Simplify right side
    15,284.55x = 124,290,584.18
  5. Step 5: Solve for x
    x = 124,290,584.18/15,284.55
  6. Step 6: Final answer
    x = 8,131.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.