Home / 20,546.66-28,344.66-13,373.96

Finding the Fourth Proportional to 20,546.66, 28,344.66 and 13,373.96

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Solution

The fourth proportional to 20,546.66, 28,344.66 and 13,373.96 is: 18,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546.66 : 28,344.66 = 13,373.96 : x
  2. Step 2: Convert to fraction form
    20,546.66/28,344.66 = 13,373.96/x
  3. Step 3: Cross multiply
    20,546.66x = 28,344.66 × 13,373.96
  4. Step 4: Simplify right side
    20,546.66x = 379,080,354.23
  5. Step 5: Solve for x
    x = 379,080,354.23/20,546.66
  6. Step 6: Final answer
    x = 18,449.73

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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.