Home / 12,049.36-18,042.60-9,696.51

Finding the Fourth Proportional to 12,049.36, 18,042.60 and 9,696.51

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Solution

The fourth proportional to 12,049.36, 18,042.60 and 9,696.51 is: 14,519.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.36 : 18,042.60 = 9,696.51 : x
  2. Step 2: Convert to fraction form
    12,049.36/18,042.60 = 9,696.51/x
  3. Step 3: Cross multiply
    12,049.36x = 18,042.60 × 9,696.51
  4. Step 4: Simplify right side
    12,049.36x = 174,950,233.15
  5. Step 5: Solve for x
    x = 174,950,233.15/12,049.36
  6. Step 6: Final answer
    x = 14,519.47

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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.