Home / 18,882.06-28,305.40-6,393.34

Finding the Fourth Proportional to 18,882.06, 28,305.40 and 6,393.34

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Solution

The fourth proportional to 18,882.06, 28,305.40 and 6,393.34 is: 9,584.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.06 : 28,305.40 = 6,393.34 : x
  2. Step 2: Convert to fraction form
    18,882.06/28,305.40 = 6,393.34/x
  3. Step 3: Cross multiply
    18,882.06x = 28,305.40 × 6,393.34
  4. Step 4: Simplify right side
    18,882.06x = 180,966,046.04
  5. Step 5: Solve for x
    x = 180,966,046.04/18,882.06
  6. Step 6: Final answer
    x = 9,584.02

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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.