Home / 13,051.26-19,580.13-5,265.54

Finding the Fourth Proportional to 13,051.26, 19,580.13 and 5,265.54

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Solution

The fourth proportional to 13,051.26, 19,580.13 and 5,265.54 is: 7,899.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.26 : 19,580.13 = 5,265.54 : x
  2. Step 2: Convert to fraction form
    13,051.26/19,580.13 = 5,265.54/x
  3. Step 3: Cross multiply
    13,051.26x = 19,580.13 × 5,265.54
  4. Step 4: Simplify right side
    13,051.26x = 103,099,957.72
  5. Step 5: Solve for x
    x = 103,099,957.72/13,051.26
  6. Step 6: Final answer
    x = 7,899.62

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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.