Home / 20,453.96-30,677.34-5,461.27

Finding the Fourth Proportional to 20,453.96, 30,677.34 and 5,461.27

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Solution

The fourth proportional to 20,453.96, 30,677.34 and 5,461.27 is: 8,190.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453.96 : 30,677.34 = 5,461.27 : x
  2. Step 2: Convert to fraction form
    20,453.96/30,677.34 = 5,461.27/x
  3. Step 3: Cross multiply
    20,453.96x = 30,677.34 × 5,461.27
  4. Step 4: Simplify right side
    20,453.96x = 167,537,083.24
  5. Step 5: Solve for x
    x = 167,537,083.24/20,453.96
  6. Step 6: Final answer
    x = 8,190.94

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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.