Home / 27,674.40-38,190.48-15,098.88

Finding the Fourth Proportional to 27,674.40, 38,190.48 and 15,098.88

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Solution

The fourth proportional to 27,674.40, 38,190.48 and 15,098.88 is: 20,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,674.40 : 38,190.48 = 15,098.88 : x
  2. Step 2: Convert to fraction form
    27,674.40/38,190.48 = 15,098.88/x
  3. Step 3: Cross multiply
    27,674.40x = 38,190.48 × 15,098.88
  4. Step 4: Simplify right side
    27,674.40x = 576,633,474.66
  5. Step 5: Solve for x
    x = 576,633,474.66/27,674.40
  6. Step 6: Final answer
    x = 20,836.35

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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.