Home / 12,422.60-18,629.92-4,101.06

Finding the Fourth Proportional to 12,422.60, 18,629.92 and 4,101.06

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Solution

The fourth proportional to 12,422.60, 18,629.92 and 4,101.06 is: 6,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422.60 : 18,629.92 = 4,101.06 : x
  2. Step 2: Convert to fraction form
    12,422.60/18,629.92 = 4,101.06/x
  3. Step 3: Cross multiply
    12,422.60x = 18,629.92 × 4,101.06
  4. Step 4: Simplify right side
    12,422.60x = 76,402,419.72
  5. Step 5: Solve for x
    x = 76,402,419.72/12,422.60
  6. Step 6: Final answer
    x = 6,150.28

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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.