Home / 18,171.60-27,260.64-5,023.68

Finding the Fourth Proportional to 18,171.60, 27,260.64 and 5,023.68

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Solution

The fourth proportional to 18,171.60, 27,260.64 and 5,023.68 is: 7,536.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.60 : 27,260.64 = 5,023.68 : x
  2. Step 2: Convert to fraction form
    18,171.60/27,260.64 = 5,023.68/x
  3. Step 3: Cross multiply
    18,171.60x = 27,260.64 × 5,023.68
  4. Step 4: Simplify right side
    18,171.60x = 136,948,731.96
  5. Step 5: Solve for x
    x = 136,948,731.96/18,171.60
  6. Step 6: Final answer
    x = 7,536.42

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1.5x scale

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.