Home / 13,481.54-18,606.24-8,176.04

Finding the Fourth Proportional to 13,481.54, 18,606.24 and 8,176.04

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Solution

The fourth proportional to 13,481.54, 18,606.24 and 8,176.04 is: 11,283.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481.54 : 18,606.24 = 8,176.04 : x
  2. Step 2: Convert to fraction form
    13,481.54/18,606.24 = 8,176.04/x
  3. Step 3: Cross multiply
    13,481.54x = 18,606.24 × 8,176.04
  4. Step 4: Simplify right side
    13,481.54x = 152,125,362.49
  5. Step 5: Solve for x
    x = 152,125,362.49/13,481.54
  6. Step 6: Final answer
    x = 11,283.98

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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.