Home / 17,780.41-26,670.43-7,247.95

Finding the Fourth Proportional to 17,780.41, 26,670.43 and 7,247.95

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Solution

The fourth proportional to 17,780.41, 26,670.43 and 7,247.95 is: 10,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,780.41 : 26,670.43 = 7,247.95 : x
  2. Step 2: Convert to fraction form
    17,780.41/26,670.43 = 7,247.95/x
  3. Step 3: Cross multiply
    17,780.41x = 26,670.43 × 7,247.95
  4. Step 4: Simplify right side
    17,780.41x = 193,305,885.50
  5. Step 5: Solve for x
    x = 193,305,885.50/17,780.41
  6. Step 6: Final answer
    x = 10,871.85

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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.