Home / 18,070.55-27,107.20-5,591.84

Finding the Fourth Proportional to 18,070.55, 27,107.20 and 5,591.84

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Solution

The fourth proportional to 18,070.55, 27,107.20 and 5,591.84 is: 8,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.55 : 27,107.20 = 5,591.84 : x
  2. Step 2: Convert to fraction form
    18,070.55/27,107.20 = 5,591.84/x
  3. Step 3: Cross multiply
    18,070.55x = 27,107.20 × 5,591.84
  4. Step 4: Simplify right side
    18,070.55x = 151,579,057.21
  5. Step 5: Solve for x
    x = 151,579,057.21/18,070.55
  6. Step 6: Final answer
    x = 8,388.18

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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.