Home / 20,732.03-28,609.44-11,300.39

Finding the Fourth Proportional to 20,732.03, 28,609.44 and 11,300.39

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Solution

The fourth proportional to 20,732.03, 28,609.44 and 11,300.39 is: 15,594.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.03 : 28,609.44 = 11,300.39 : x
  2. Step 2: Convert to fraction form
    20,732.03/28,609.44 = 11,300.39/x
  3. Step 3: Cross multiply
    20,732.03x = 28,609.44 × 11,300.39
  4. Step 4: Simplify right side
    20,732.03x = 323,297,829.68
  5. Step 5: Solve for x
    x = 323,297,829.68/20,732.03
  6. Step 6: Final answer
    x = 15,594.12

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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.