Home / 13,815.16-20,725.52-5,048.94

Finding the Fourth Proportional to 13,815.16, 20,725.52 and 5,048.94

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Solution

The fourth proportional to 13,815.16, 20,725.52 and 5,048.94 is: 7,574.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815.16 : 20,725.52 = 5,048.94 : x
  2. Step 2: Convert to fraction form
    13,815.16/20,725.52 = 5,048.94/x
  3. Step 3: Cross multiply
    13,815.16x = 20,725.52 × 5,048.94
  4. Step 4: Simplify right side
    13,815.16x = 104,641,906.95
  5. Step 5: Solve for x
    x = 104,641,906.95/13,815.16
  6. Step 6: Final answer
    x = 7,574.43

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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.