Home / 12,541.23-18,791.19-9,760.91

Finding the Fourth Proportional to 12,541.23, 18,791.19 and 9,760.91

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Solution

The fourth proportional to 12,541.23, 18,791.19 and 9,760.91 is: 14,625.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541.23 : 18,791.19 = 9,760.91 : x
  2. Step 2: Convert to fraction form
    12,541.23/18,791.19 = 9,760.91/x
  3. Step 3: Cross multiply
    12,541.23x = 18,791.19 × 9,760.91
  4. Step 4: Simplify right side
    12,541.23x = 183,419,020.43
  5. Step 5: Solve for x
    x = 183,419,020.43/12,541.23
  6. Step 6: Final answer
    x = 14,625.28

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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.