Home / 18,204.48-27,313.20-6,518.88

Finding the Fourth Proportional to 18,204.48, 27,313.20 and 6,518.88

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Solution

The fourth proportional to 18,204.48, 27,313.20 and 6,518.88 is: 9,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.48 : 27,313.20 = 6,518.88 : x
  2. Step 2: Convert to fraction form
    18,204.48/27,313.20 = 6,518.88/x
  3. Step 3: Cross multiply
    18,204.48x = 27,313.20 × 6,518.88
  4. Step 4: Simplify right side
    18,204.48x = 178,051,473.22
  5. Step 5: Solve for x
    x = 178,051,473.22/18,204.48
  6. Step 6: Final answer
    x = 9,780.64

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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.