Home / 20,099.62-27,730.68-13,027.46

Finding the Fourth Proportional to 20,099.62, 27,730.68 and 13,027.46

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Solution

The fourth proportional to 20,099.62, 27,730.68 and 13,027.46 is: 17,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,099.62 : 27,730.68 = 13,027.46 : x
  2. Step 2: Convert to fraction form
    20,099.62/27,730.68 = 13,027.46/x
  3. Step 3: Cross multiply
    20,099.62x = 27,730.68 × 13,027.46
  4. Step 4: Simplify right side
    20,099.62x = 361,260,324.47
  5. Step 5: Solve for x
    x = 361,260,324.47/20,099.62
  6. Step 6: Final answer
    x = 17,973.49

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1.5x scale

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.