Home / 20,526.19-30,800.81-11,166.86

Finding the Fourth Proportional to 20,526.19, 30,800.81 and 11,166.86

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Solution

The fourth proportional to 20,526.19, 30,800.81 and 11,166.86 is: 16,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.19 : 30,800.81 = 11,166.86 : x
  2. Step 2: Convert to fraction form
    20,526.19/30,800.81 = 11,166.86/x
  3. Step 3: Cross multiply
    20,526.19x = 30,800.81 × 11,166.86
  4. Step 4: Simplify right side
    20,526.19x = 343,948,222.95
  5. Step 5: Solve for x
    x = 343,948,222.95/20,526.19
  6. Step 6: Final answer
    x = 16,756.56

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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.