Home / 17,765.96-26,651.57-5,915.86

Finding the Fourth Proportional to 17,765.96, 26,651.57 and 5,915.86

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Solution

The fourth proportional to 17,765.96, 26,651.57 and 5,915.86 is: 8,874.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765.96 : 26,651.57 = 5,915.86 : x
  2. Step 2: Convert to fraction form
    17,765.96/26,651.57 = 5,915.86/x
  3. Step 3: Cross multiply
    17,765.96x = 26,651.57 × 5,915.86
  4. Step 4: Simplify right side
    17,765.96x = 157,666,860.69
  5. Step 5: Solve for x
    x = 157,666,860.69/17,765.96
  6. Step 6: Final answer
    x = 8,874.66

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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.