Home / 18,241.05-27,360.59-5,590.79

Finding the Fourth Proportional to 18,241.05, 27,360.59 and 5,590.79

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Solution

The fourth proportional to 18,241.05, 27,360.59 and 5,590.79 is: 8,385.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.05 : 27,360.59 = 5,590.79 : x
  2. Step 2: Convert to fraction form
    18,241.05/27,360.59 = 5,590.79/x
  3. Step 3: Cross multiply
    18,241.05x = 27,360.59 × 5,590.79
  4. Step 4: Simplify right side
    18,241.05x = 152,967,353.41
  5. Step 5: Solve for x
    x = 152,967,353.41/18,241.05
  6. Step 6: Final answer
    x = 8,385.88

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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.