Home / 13,449.25-20,203.07-11,373.42

Finding the Fourth Proportional to 13,449.25, 20,203.07 and 11,373.42

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Solution

The fourth proportional to 13,449.25, 20,203.07 and 11,373.42 is: 17,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449.25 : 20,203.07 = 11,373.42 : x
  2. Step 2: Convert to fraction form
    13,449.25/20,203.07 = 11,373.42/x
  3. Step 3: Cross multiply
    13,449.25x = 20,203.07 × 11,373.42
  4. Step 4: Simplify right side
    13,449.25x = 229,777,943.53
  5. Step 5: Solve for x
    x = 229,777,943.53/13,449.25
  6. Step 6: Final answer
    x = 17,084.82

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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.