Home / 20,526.42-28,324.68-12,027.42

Finding the Fourth Proportional to 20,526.42, 28,324.68 and 12,027.42

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Solution

The fourth proportional to 20,526.42, 28,324.68 and 12,027.42 is: 16,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.42 : 28,324.68 = 12,027.42 : x
  2. Step 2: Convert to fraction form
    20,526.42/28,324.68 = 12,027.42/x
  3. Step 3: Cross multiply
    20,526.42x = 28,324.68 × 12,027.42
  4. Step 4: Simplify right side
    20,526.42x = 340,672,822.73
  5. Step 5: Solve for x
    x = 340,672,822.73/20,526.42
  6. Step 6: Final answer
    x = 16,596.80

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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.