Home / 18,251.85-27,381.16-5,775.02

Finding the Fourth Proportional to 18,251.85, 27,381.16 and 5,775.02

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Solution

The fourth proportional to 18,251.85, 27,381.16 and 5,775.02 is: 8,663.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.85 : 27,381.16 = 5,775.02 : x
  2. Step 2: Convert to fraction form
    18,251.85/27,381.16 = 5,775.02/x
  3. Step 3: Cross multiply
    18,251.85x = 27,381.16 × 5,775.02
  4. Step 4: Simplify right side
    18,251.85x = 158,126,580.84
  5. Step 5: Solve for x
    x = 158,126,580.84/18,251.85
  6. Step 6: Final answer
    x = 8,663.59

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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.