Home / 13,310.56-19,954.89-5,306.14

Finding the Fourth Proportional to 13,310.56, 19,954.89 and 5,306.14

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Solution

The fourth proportional to 13,310.56, 19,954.89 and 5,306.14 is: 7,954.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.56 : 19,954.89 = 5,306.14 : x
  2. Step 2: Convert to fraction form
    13,310.56/19,954.89 = 5,306.14/x
  3. Step 3: Cross multiply
    13,310.56x = 19,954.89 × 5,306.14
  4. Step 4: Simplify right side
    13,310.56x = 105,883,440.02
  5. Step 5: Solve for x
    x = 105,883,440.02/13,310.56
  6. Step 6: Final answer
    x = 7,954.84

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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.