Home / 22,805.12-34,202.79-13,311.11

Finding the Fourth Proportional to 22,805.12, 34,202.79 and 13,311.11

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Solution

The fourth proportional to 22,805.12, 34,202.79 and 13,311.11 is: 19,963.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,805.12 : 34,202.79 = 13,311.11 : x
  2. Step 2: Convert to fraction form
    22,805.12/34,202.79 = 13,311.11/x
  3. Step 3: Cross multiply
    22,805.12x = 34,202.79 × 13,311.11
  4. Step 4: Simplify right side
    22,805.12x = 455,276,928.98
  5. Step 5: Solve for x
    x = 455,276,928.98/22,805.12
  6. Step 6: Final answer
    x = 19,963.81

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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.