Home / 13,808.22-20,712.84-4,446.99

Finding the Fourth Proportional to 13,808.22, 20,712.84 and 4,446.99

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Solution

The fourth proportional to 13,808.22, 20,712.84 and 4,446.99 is: 6,670.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.22 : 20,712.84 = 4,446.99 : x
  2. Step 2: Convert to fraction form
    13,808.22/20,712.84 = 4,446.99/x
  3. Step 3: Cross multiply
    13,808.22x = 20,712.84 × 4,446.99
  4. Step 4: Simplify right side
    13,808.22x = 92,109,792.35
  5. Step 5: Solve for x
    x = 92,109,792.35/13,808.22
  6. Step 6: Final answer
    x = 6,670.65

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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.