Home / 18,241.29-27,366.20-7,712.25

Finding the Fourth Proportional to 18,241.29, 27,366.20 and 7,712.25

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Solution

The fourth proportional to 18,241.29, 27,366.20 and 7,712.25 is: 11,570.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.29 : 27,366.20 = 7,712.25 : x
  2. Step 2: Convert to fraction form
    18,241.29/27,366.20 = 7,712.25/x
  3. Step 3: Cross multiply
    18,241.29x = 27,366.20 × 7,712.25
  4. Step 4: Simplify right side
    18,241.29x = 211,055,022.52
  5. Step 5: Solve for x
    x = 211,055,022.52/18,241.29
  6. Step 6: Final answer
    x = 11,570.18

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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.