Home / 18,070.14-27,107.81-5,591.15

Finding the Fourth Proportional to 18,070.14, 27,107.81 and 5,591.15

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Solution

The fourth proportional to 18,070.14, 27,107.81 and 5,591.15 is: 8,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.14 : 27,107.81 = 5,591.15 : x
  2. Step 2: Convert to fraction form
    18,070.14/27,107.81 = 5,591.15/x
  3. Step 3: Cross multiply
    18,070.14x = 27,107.81 × 5,591.15
  4. Step 4: Simplify right side
    18,070.14x = 151,563,691.78
  5. Step 5: Solve for x
    x = 151,563,691.78/18,070.14
  6. Step 6: Final answer
    x = 8,387.52

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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.