Home / 18,053.82-27,091.65-7,665.57

Finding the Fourth Proportional to 18,053.82, 27,091.65 and 7,665.57

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Solution

The fourth proportional to 18,053.82, 27,091.65 and 7,665.57 is: 11,502.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053.82 : 27,091.65 = 7,665.57 : x
  2. Step 2: Convert to fraction form
    18,053.82/27,091.65 = 7,665.57/x
  3. Step 3: Cross multiply
    18,053.82x = 27,091.65 × 7,665.57
  4. Step 4: Simplify right side
    18,053.82x = 207,672,939.49
  5. Step 5: Solve for x
    x = 207,672,939.49/18,053.82
  6. Step 6: Final answer
    x = 11,502.99

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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.