Home / 13,701.26-20,552.79-4,815.51

Finding the Fourth Proportional to 13,701.26, 20,552.79 and 4,815.51

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Solution

The fourth proportional to 13,701.26, 20,552.79 and 4,815.51 is: 7,223.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.26 : 20,552.79 = 4,815.51 : x
  2. Step 2: Convert to fraction form
    13,701.26/20,552.79 = 4,815.51/x
  3. Step 3: Cross multiply
    13,701.26x = 20,552.79 × 4,815.51
  4. Step 4: Simplify right side
    13,701.26x = 98,972,165.77
  5. Step 5: Solve for x
    x = 98,972,165.77/13,701.26
  6. Step 6: Final answer
    x = 7,223.58

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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.