Home / 12,371.73-18,536.00-10,305.02

Finding the Fourth Proportional to 12,371.73, 18,536.00 and 10,305.02

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Solution

The fourth proportional to 12,371.73, 18,536.00 and 10,305.02 is: 15,439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.73 : 18,536.00 = 10,305.02 : x
  2. Step 2: Convert to fraction form
    12,371.73/18,536.00 = 10,305.02/x
  3. Step 3: Cross multiply
    12,371.73x = 18,536.00 × 10,305.02
  4. Step 4: Simplify right side
    12,371.73x = 191,013,706.51
  5. Step 5: Solve for x
    x = 191,013,706.51/12,371.73
  6. Step 6: Final answer
    x = 15,439.53

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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.