Home / 12,372.73-18,537.49-10,306.02

Finding the Fourth Proportional to 12,372.73, 18,537.49 and 10,306.02

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Solution

The fourth proportional to 12,372.73, 18,537.49 and 10,306.02 is: 15,441.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.73 : 18,537.49 = 10,306.02 : x
  2. Step 2: Convert to fraction form
    12,372.73/18,537.49 = 10,306.02/x
  3. Step 3: Cross multiply
    12,372.73x = 18,537.49 × 10,306.02
  4. Step 4: Simplify right side
    12,372.73x = 191,047,742.69
  5. Step 5: Solve for x
    x = 191,047,742.69/12,372.73
  6. Step 6: Final answer
    x = 15,441.03

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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.