Home / 27,311.67-37,682.25-18,816.08

Finding the Fourth Proportional to 27,311.67, 37,682.25 and 18,816.08

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Solution

The fourth proportional to 27,311.67, 37,682.25 and 18,816.08 is: 25,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.67 : 37,682.25 = 18,816.08 : x
  2. Step 2: Convert to fraction form
    27,311.67/37,682.25 = 18,816.08/x
  3. Step 3: Cross multiply
    27,311.67x = 37,682.25 × 18,816.08
  4. Step 4: Simplify right side
    27,311.67x = 709,032,042.17
  5. Step 5: Solve for x
    x = 709,032,042.17/27,311.67
  6. Step 6: Final answer
    x = 25,960.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.