Home / 18,456.04-27,667.50-6,761.08

Finding the Fourth Proportional to 18,456.04, 27,667.50 and 6,761.08

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Solution

The fourth proportional to 18,456.04, 27,667.50 and 6,761.08 is: 10,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.04 : 27,667.50 = 6,761.08 : x
  2. Step 2: Convert to fraction form
    18,456.04/27,667.50 = 6,761.08/x
  3. Step 3: Cross multiply
    18,456.04x = 27,667.50 × 6,761.08
  4. Step 4: Simplify right side
    18,456.04x = 187,062,180.90
  5. Step 5: Solve for x
    x = 187,062,180.90/18,456.04
  6. Step 6: Final answer
    x = 10,135.55

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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.