Home / 18,050.85-27,126.09-15,765.57

Finding the Fourth Proportional to 18,050.85, 27,126.09 and 15,765.57

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Solution

The fourth proportional to 18,050.85, 27,126.09 and 15,765.57 is: 23,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,050.85 : 27,126.09 = 15,765.57 : x
  2. Step 2: Convert to fraction form
    18,050.85/27,126.09 = 15,765.57/x
  3. Step 3: Cross multiply
    18,050.85x = 27,126.09 × 15,765.57
  4. Step 4: Simplify right side
    18,050.85x = 427,658,270.72
  5. Step 5: Solve for x
    x = 427,658,270.72/18,050.85
  6. Step 6: Final answer
    x = 23,691.86

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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.