Home / 18,095.32-27,186.78-11,534.20

Finding the Fourth Proportional to 18,095.32, 27,186.78 and 11,534.20

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Solution

The fourth proportional to 18,095.32, 27,186.78 and 11,534.20 is: 17,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,095.32 : 27,186.78 = 11,534.20 : x
  2. Step 2: Convert to fraction form
    18,095.32/27,186.78 = 11,534.20/x
  3. Step 3: Cross multiply
    18,095.32x = 27,186.78 × 11,534.20
  4. Step 4: Simplify right side
    18,095.32x = 313,577,757.88
  5. Step 5: Solve for x
    x = 313,577,757.88/18,095.32
  6. Step 6: Final answer
    x = 17,329.22

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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.