Home / 13,201.58-18,217.64-7,893.26

Finding the Fourth Proportional to 13,201.58, 18,217.64 and 7,893.26

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Solution

The fourth proportional to 13,201.58, 18,217.64 and 7,893.26 is: 10,892.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.58 : 18,217.64 = 7,893.26 : x
  2. Step 2: Convert to fraction form
    13,201.58/18,217.64 = 7,893.26/x
  3. Step 3: Cross multiply
    13,201.58x = 18,217.64 × 7,893.26
  4. Step 4: Simplify right side
    13,201.58x = 143,796,569.11
  5. Step 5: Solve for x
    x = 143,796,569.11/13,201.58
  6. Step 6: Final answer
    x = 10,892.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.