Home / 18,597.20-27,882.43-8,730.99

Finding the Fourth Proportional to 18,597.20, 27,882.43 and 8,730.99

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Solution

The fourth proportional to 18,597.20, 27,882.43 and 8,730.99 is: 13,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.20 : 27,882.43 = 8,730.99 : x
  2. Step 2: Convert to fraction form
    18,597.20/27,882.43 = 8,730.99/x
  3. Step 3: Cross multiply
    18,597.20x = 27,882.43 × 8,730.99
  4. Step 4: Simplify right side
    18,597.20x = 243,441,195.68
  5. Step 5: Solve for x
    x = 243,441,195.68/18,597.20
  6. Step 6: Final answer
    x = 13,090.21

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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.