Home / 20,514.84-30,772.26-11,755.32

Finding the Fourth Proportional to 20,514.84, 30,772.26 and 11,755.32

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Solution

The fourth proportional to 20,514.84, 30,772.26 and 11,755.32 is: 17,632.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.84 : 30,772.26 = 11,755.32 : x
  2. Step 2: Convert to fraction form
    20,514.84/30,772.26 = 11,755.32/x
  3. Step 3: Cross multiply
    20,514.84x = 30,772.26 × 11,755.32
  4. Step 4: Simplify right side
    20,514.84x = 361,737,763.42
  5. Step 5: Solve for x
    x = 361,737,763.42/20,514.84
  6. Step 6: Final answer
    x = 17,632.98

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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.