Home / 13,192.52-18,193.38-11,880.32

Finding the Fourth Proportional to 13,192.52, 18,193.38 and 11,880.32

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Solution

The fourth proportional to 13,192.52, 18,193.38 and 11,880.32 is: 16,383.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.52 : 18,193.38 = 11,880.32 : x
  2. Step 2: Convert to fraction form
    13,192.52/18,193.38 = 11,880.32/x
  3. Step 3: Cross multiply
    13,192.52x = 18,193.38 × 11,880.32
  4. Step 4: Simplify right side
    13,192.52x = 216,143,176.28
  5. Step 5: Solve for x
    x = 216,143,176.28/13,192.52
  6. Step 6: Final answer
    x = 16,383.77

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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.