Home / 15,861.31-23,790.60-6,498.65

Finding the Fourth Proportional to 15,861.31, 23,790.60 and 6,498.65

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Solution

The fourth proportional to 15,861.31, 23,790.60 and 6,498.65 is: 9,747.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,861.31 : 23,790.60 = 6,498.65 : x
  2. Step 2: Convert to fraction form
    15,861.31/23,790.60 = 6,498.65/x
  3. Step 3: Cross multiply
    15,861.31x = 23,790.60 × 6,498.65
  4. Step 4: Simplify right side
    15,861.31x = 154,606,842.17
  5. Step 5: Solve for x
    x = 154,606,842.17/15,861.31
  6. Step 6: Final answer
    x = 9,747.42

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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.