Home / 27,313.52-40,986.21-11,517.58

Finding the Fourth Proportional to 27,313.52, 40,986.21 and 11,517.58

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Solution

The fourth proportional to 27,313.52, 40,986.21 and 11,517.58 is: 17,283.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313.52 : 40,986.21 = 11,517.58 : x
  2. Step 2: Convert to fraction form
    27,313.52/40,986.21 = 11,517.58/x
  3. Step 3: Cross multiply
    27,313.52x = 40,986.21 × 11,517.58
  4. Step 4: Simplify right side
    27,313.52x = 472,061,747.64
  5. Step 5: Solve for x
    x = 472,061,747.64/27,313.52
  6. Step 6: Final answer
    x = 17,283.08

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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.