Home / 13,236.03-19,868.63-11,181.47

Finding the Fourth Proportional to 13,236.03, 19,868.63 and 11,181.47

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Solution

The fourth proportional to 13,236.03, 19,868.63 and 11,181.47 is: 16,784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.03 : 19,868.63 = 11,181.47 : x
  2. Step 2: Convert to fraction form
    13,236.03/19,868.63 = 11,181.47/x
  3. Step 3: Cross multiply
    13,236.03x = 19,868.63 × 11,181.47
  4. Step 4: Simplify right side
    13,236.03x = 222,160,335.04
  5. Step 5: Solve for x
    x = 222,160,335.04/13,236.03
  6. Step 6: Final answer
    x = 16,784.51

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1.5x scale

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.