Home / 20,234.86-27,914.18-13,522.14

Finding the Fourth Proportional to 20,234.86, 27,914.18 and 13,522.14

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Solution

The fourth proportional to 20,234.86, 27,914.18 and 13,522.14 is: 18,653.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234.86 : 27,914.18 = 13,522.14 : x
  2. Step 2: Convert to fraction form
    20,234.86/27,914.18 = 13,522.14/x
  3. Step 3: Cross multiply
    20,234.86x = 27,914.18 × 13,522.14
  4. Step 4: Simplify right side
    20,234.86x = 377,459,449.95
  5. Step 5: Solve for x
    x = 377,459,449.95/20,234.86
  6. Step 6: Final answer
    x = 18,653.92

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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.