Home / 18,606.16-27,909.24-5,458.44

Finding the Fourth Proportional to 18,606.16, 27,909.24 and 5,458.44

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Solution

The fourth proportional to 18,606.16, 27,909.24 and 5,458.44 is: 8,187.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.16 : 27,909.24 = 5,458.44 : x
  2. Step 2: Convert to fraction form
    18,606.16/27,909.24 = 5,458.44/x
  3. Step 3: Cross multiply
    18,606.16x = 27,909.24 × 5,458.44
  4. Step 4: Simplify right side
    18,606.16x = 152,340,911.99
  5. Step 5: Solve for x
    x = 152,340,911.99/18,606.16
  6. Step 6: Final answer
    x = 8,187.66

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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.