Home / 18,518.13-27,771.44-6,203.25

Finding the Fourth Proportional to 18,518.13, 27,771.44 and 6,203.25

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Solution

The fourth proportional to 18,518.13, 27,771.44 and 6,203.25 is: 9,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,518.13 : 27,771.44 = 6,203.25 : x
  2. Step 2: Convert to fraction form
    18,518.13/27,771.44 = 6,203.25/x
  3. Step 3: Cross multiply
    18,518.13x = 27,771.44 × 6,203.25
  4. Step 4: Simplify right side
    18,518.13x = 172,273,154.16
  5. Step 5: Solve for x
    x = 172,273,154.16/18,518.13
  6. Step 6: Final answer
    x = 9,302.95

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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.