Home / 20,543.97-30,820.57-6,504.84

Finding the Fourth Proportional to 20,543.97, 30,820.57 and 6,504.84

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Solution

The fourth proportional to 20,543.97, 30,820.57 and 6,504.84 is: 9,758.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,543.97 : 30,820.57 = 6,504.84 : x
  2. Step 2: Convert to fraction form
    20,543.97/30,820.57 = 6,504.84/x
  3. Step 3: Cross multiply
    20,543.97x = 30,820.57 × 6,504.84
  4. Step 4: Simplify right side
    20,543.97x = 200,482,876.56
  5. Step 5: Solve for x
    x = 200,482,876.56/20,543.97
  6. Step 6: Final answer
    x = 9,758.72

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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.