Home / 20,625.03-28,462.19-11,193.39

Finding the Fourth Proportional to 20,625.03, 28,462.19 and 11,193.39

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Solution

The fourth proportional to 20,625.03, 28,462.19 and 11,193.39 is: 15,446.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,625.03 : 28,462.19 = 11,193.39 : x
  2. Step 2: Convert to fraction form
    20,625.03/28,462.19 = 11,193.39/x
  3. Step 3: Cross multiply
    20,625.03x = 28,462.19 × 11,193.39
  4. Step 4: Simplify right side
    20,625.03x = 318,588,336.96
  5. Step 5: Solve for x
    x = 318,588,336.96/20,625.03
  6. Step 6: Final answer
    x = 15,446.68

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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.