Home / 13,815.99-20,731.32-6,025.41

Finding the Fourth Proportional to 13,815.99, 20,731.32 and 6,025.41

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Solution

The fourth proportional to 13,815.99, 20,731.32 and 6,025.41 is: 9,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815.99 : 20,731.32 = 6,025.41 : x
  2. Step 2: Convert to fraction form
    13,815.99/20,731.32 = 6,025.41/x
  3. Step 3: Cross multiply
    13,815.99x = 20,731.32 × 6,025.41
  4. Step 4: Simplify right side
    13,815.99x = 124,914,702.84
  5. Step 5: Solve for x
    x = 124,914,702.84/13,815.99
  6. Step 6: Final answer
    x = 9,041.31

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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.