Home / 18,109.32-27,170.91-7,016.88

Finding the Fourth Proportional to 18,109.32, 27,170.91 and 7,016.88

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Solution

The fourth proportional to 18,109.32, 27,170.91 and 7,016.88 is: 10,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.32 : 27,170.91 = 7,016.88 : x
  2. Step 2: Convert to fraction form
    18,109.32/27,170.91 = 7,016.88/x
  3. Step 3: Cross multiply
    18,109.32x = 27,170.91 × 7,016.88
  4. Step 4: Simplify right side
    18,109.32x = 190,655,014.96
  5. Step 5: Solve for x
    x = 190,655,014.96/18,109.32
  6. Step 6: Final answer
    x = 10,528.01

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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.