Home / 20,634.36-28,482.84-12,250.86

Finding the Fourth Proportional to 20,634.36, 28,482.84 and 12,250.86

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Solution

The fourth proportional to 20,634.36, 28,482.84 and 12,250.86 is: 16,910.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634.36 : 28,482.84 = 12,250.86 : x
  2. Step 2: Convert to fraction form
    20,634.36/28,482.84 = 12,250.86/x
  3. Step 3: Cross multiply
    20,634.36x = 28,482.84 × 12,250.86
  4. Step 4: Simplify right side
    20,634.36x = 348,939,285.24
  5. Step 5: Solve for x
    x = 348,939,285.24/20,634.36
  6. Step 6: Final answer
    x = 16,910.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.