Home / 18,216.47-27,325.80-5,736.90

Finding the Fourth Proportional to 18,216.47, 27,325.80 and 5,736.90

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Solution

The fourth proportional to 18,216.47, 27,325.80 and 5,736.90 is: 8,605.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.47 : 27,325.80 = 5,736.90 : x
  2. Step 2: Convert to fraction form
    18,216.47/27,325.80 = 5,736.90/x
  3. Step 3: Cross multiply
    18,216.47x = 27,325.80 × 5,736.90
  4. Step 4: Simplify right side
    18,216.47x = 156,765,382.02
  5. Step 5: Solve for x
    x = 156,765,382.02/18,216.47
  6. Step 6: Final answer
    x = 8,605.69

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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.