Home / 13,174.34-19,761.51-5,383.16

Finding the Fourth Proportional to 13,174.34, 19,761.51 and 5,383.16

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Solution

The fourth proportional to 13,174.34, 19,761.51 and 5,383.16 is: 8,074.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.34 : 19,761.51 = 5,383.16 : x
  2. Step 2: Convert to fraction form
    13,174.34/19,761.51 = 5,383.16/x
  3. Step 3: Cross multiply
    13,174.34x = 19,761.51 × 5,383.16
  4. Step 4: Simplify right side
    13,174.34x = 106,379,271.36
  5. Step 5: Solve for x
    x = 106,379,271.36/13,174.34
  6. Step 6: Final answer
    x = 8,074.74

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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.