Home / 22,405.88-33,629.58-11,320.36

Finding the Fourth Proportional to 22,405.88, 33,629.58 and 11,320.36

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Solution

The fourth proportional to 22,405.88, 33,629.58 and 11,320.36 is: 16,991.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,405.88 : 33,629.58 = 11,320.36 : x
  2. Step 2: Convert to fraction form
    22,405.88/33,629.58 = 11,320.36/x
  3. Step 3: Cross multiply
    22,405.88x = 33,629.58 × 11,320.36
  4. Step 4: Simplify right side
    22,405.88x = 380,698,868.17
  5. Step 5: Solve for x
    x = 380,698,868.17/22,405.88
  6. Step 6: Final answer
    x = 16,991.02

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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.