Home / 13,034.79-19,537.14-5,631.78

Finding the Fourth Proportional to 13,034.79, 19,537.14 and 5,631.78

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Solution

The fourth proportional to 13,034.79, 19,537.14 and 5,631.78 is: 8,441.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,034.79 : 19,537.14 = 5,631.78 : x
  2. Step 2: Convert to fraction form
    13,034.79/19,537.14 = 5,631.78/x
  3. Step 3: Cross multiply
    13,034.79x = 19,537.14 × 5,631.78
  4. Step 4: Simplify right side
    13,034.79x = 110,028,874.31
  5. Step 5: Solve for x
    x = 110,028,874.31/13,034.79
  6. Step 6: Final answer
    x = 8,441.17

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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.