Home / 20,363.85-30,556.98-8,526.11

Finding the Fourth Proportional to 20,363.85, 30,556.98 and 8,526.11

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Solution

The fourth proportional to 20,363.85, 30,556.98 and 8,526.11 is: 12,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,363.85 : 30,556.98 = 8,526.11 : x
  2. Step 2: Convert to fraction form
    20,363.85/30,556.98 = 8,526.11/x
  3. Step 3: Cross multiply
    20,363.85x = 30,556.98 × 8,526.11
  4. Step 4: Simplify right side
    20,363.85x = 260,532,019.96
  5. Step 5: Solve for x
    x = 260,532,019.96/20,363.85
  6. Step 6: Final answer
    x = 12,793.85

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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.