Home / 18,537.05-27,792.37-8,670.95

Finding the Fourth Proportional to 18,537.05, 27,792.37 and 8,670.95

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Solution

The fourth proportional to 18,537.05, 27,792.37 and 8,670.95 is: 13,000.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.05 : 27,792.37 = 8,670.95 : x
  2. Step 2: Convert to fraction form
    18,537.05/27,792.37 = 8,670.95/x
  3. Step 3: Cross multiply
    18,537.05x = 27,792.37 × 8,670.95
  4. Step 4: Simplify right side
    18,537.05x = 240,986,250.65
  5. Step 5: Solve for x
    x = 240,986,250.65/18,537.05
  6. Step 6: Final answer
    x = 13,000.25

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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.