Home / 20,483.46-30,725.19-5,692.39

Finding the Fourth Proportional to 20,483.46, 30,725.19 and 5,692.39

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Solution

The fourth proportional to 20,483.46, 30,725.19 and 5,692.39 is: 8,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483.46 : 30,725.19 = 5,692.39 : x
  2. Step 2: Convert to fraction form
    20,483.46/30,725.19 = 5,692.39/x
  3. Step 3: Cross multiply
    20,483.46x = 30,725.19 × 5,692.39
  4. Step 4: Simplify right side
    20,483.46x = 174,899,687.49
  5. Step 5: Solve for x
    x = 174,899,687.49/20,483.46
  6. Step 6: Final answer
    x = 8,538.58

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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.