Home / 15,861.38-23,790.23-4,175.51

Finding the Fourth Proportional to 15,861.38, 23,790.23 and 4,175.51

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Solution

The fourth proportional to 15,861.38, 23,790.23 and 4,175.51 is: 6,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,861.38 : 23,790.23 = 4,175.51 : x
  2. Step 2: Convert to fraction form
    15,861.38/23,790.23 = 4,175.51/x
  3. Step 3: Cross multiply
    15,861.38x = 23,790.23 × 4,175.51
  4. Step 4: Simplify right side
    15,861.38x = 99,336,343.27
  5. Step 5: Solve for x
    x = 99,336,343.27/15,861.38
  6. Step 6: Final answer
    x = 6,262.78

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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.