Home / 20,033.60-27,636.26-18,608.87

Finding the Fourth Proportional to 20,033.60, 27,636.26 and 18,608.87

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Solution

The fourth proportional to 20,033.60, 27,636.26 and 18,608.87 is: 25,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.60 : 27,636.26 = 18,608.87 : x
  2. Step 2: Convert to fraction form
    20,033.60/27,636.26 = 18,608.87/x
  3. Step 3: Cross multiply
    20,033.60x = 27,636.26 × 18,608.87
  4. Step 4: Simplify right side
    20,033.60x = 514,279,545.67
  5. Step 5: Solve for x
    x = 514,279,545.67/20,033.60
  6. Step 6: Final answer
    x = 25,670.86

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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.