Home / 18,530.25-27,798.26-6,221.13

Finding the Fourth Proportional to 18,530.25, 27,798.26 and 6,221.13

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Solution

The fourth proportional to 18,530.25, 27,798.26 and 6,221.13 is: 9,332.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.25 : 27,798.26 = 6,221.13 : x
  2. Step 2: Convert to fraction form
    18,530.25/27,798.26 = 6,221.13/x
  3. Step 3: Cross multiply
    18,530.25x = 27,798.26 × 6,221.13
  4. Step 4: Simplify right side
    18,530.25x = 172,936,558.13
  5. Step 5: Solve for x
    x = 172,936,558.13/18,530.25
  6. Step 6: Final answer
    x = 9,332.66

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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.