Home / 20,363.12-30,556.04-11,002.96

Finding the Fourth Proportional to 20,363.12, 30,556.04 and 11,002.96

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Solution

The fourth proportional to 20,363.12, 30,556.04 and 11,002.96 is: 16,510.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,363.12 : 30,556.04 = 11,002.96 : x
  2. Step 2: Convert to fraction form
    20,363.12/30,556.04 = 11,002.96/x
  3. Step 3: Cross multiply
    20,363.12x = 30,556.04 × 11,002.96
  4. Step 4: Simplify right side
    20,363.12x = 336,206,885.88
  5. Step 5: Solve for x
    x = 336,206,885.88/20,363.12
  6. Step 6: Final answer
    x = 16,510.58

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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.