Home / 18,091.49-27,139.28-16,231.17

Finding the Fourth Proportional to 18,091.49, 27,139.28 and 16,231.17

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Solution

The fourth proportional to 18,091.49, 27,139.28 and 16,231.17 is: 24,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.49 : 27,139.28 = 16,231.17 : x
  2. Step 2: Convert to fraction form
    18,091.49/27,139.28 = 16,231.17/x
  3. Step 3: Cross multiply
    18,091.49x = 27,139.28 × 16,231.17
  4. Step 4: Simplify right side
    18,091.49x = 440,502,186.20
  5. Step 5: Solve for x
    x = 440,502,186.20/18,091.49
  6. Step 6: Final answer
    x = 24,348.59

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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.