Home / 13,236.54-18,208.38-11,071.44

Finding the Fourth Proportional to 13,236.54, 18,208.38 and 11,071.44

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Solution

The fourth proportional to 13,236.54, 18,208.38 and 11,071.44 is: 15,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.54 : 18,208.38 = 11,071.44 : x
  2. Step 2: Convert to fraction form
    13,236.54/18,208.38 = 11,071.44/x
  3. Step 3: Cross multiply
    13,236.54x = 18,208.38 × 11,071.44
  4. Step 4: Simplify right side
    13,236.54x = 201,592,986.67
  5. Step 5: Solve for x
    x = 201,592,986.67/13,236.54
  6. Step 6: Final answer
    x = 15,230.04

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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.