Home / 18,134.24-27,198.23-4,807.32

Finding the Fourth Proportional to 18,134.24, 27,198.23 and 4,807.32

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Solution

The fourth proportional to 18,134.24, 27,198.23 and 4,807.32 is: 7,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.24 : 27,198.23 = 4,807.32 : x
  2. Step 2: Convert to fraction form
    18,134.24/27,198.23 = 4,807.32/x
  3. Step 3: Cross multiply
    18,134.24x = 27,198.23 × 4,807.32
  4. Step 4: Simplify right side
    18,134.24x = 130,750,639.00
  5. Step 5: Solve for x
    x = 130,750,639.00/18,134.24
  6. Step 6: Final answer
    x = 7,210.15

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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.