Home / 20,596.68-28,543.04-20,202.84

Finding the Fourth Proportional to 20,596.68, 28,543.04 and 20,202.84

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Solution

The fourth proportional to 20,596.68, 28,543.04 and 20,202.84 is: 27,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,596.68 : 28,543.04 = 20,202.84 : x
  2. Step 2: Convert to fraction form
    20,596.68/28,543.04 = 20,202.84/x
  3. Step 3: Cross multiply
    20,596.68x = 28,543.04 × 20,202.84
  4. Step 4: Simplify right side
    20,596.68x = 576,650,470.23
  5. Step 5: Solve for x
    x = 576,650,470.23/20,596.68
  6. Step 6: Final answer
    x = 27,997.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.