Home / 13,344.84-20,107.33-11,055.78

Finding the Fourth Proportional to 13,344.84, 20,107.33 and 11,055.78

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Solution

The fourth proportional to 13,344.84, 20,107.33 and 11,055.78 is: 16,658.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.84 : 20,107.33 = 11,055.78 : x
  2. Step 2: Convert to fraction form
    13,344.84/20,107.33 = 11,055.78/x
  3. Step 3: Cross multiply
    13,344.84x = 20,107.33 × 11,055.78
  4. Step 4: Simplify right side
    13,344.84x = 222,302,189.23
  5. Step 5: Solve for x
    x = 222,302,189.23/13,344.84
  6. Step 6: Final answer
    x = 16,658.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.