Home / 22,405.57-33,629.10-11,320.06

Finding the Fourth Proportional to 22,405.57, 33,629.10 and 11,320.06

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Solution

The fourth proportional to 22,405.57, 33,629.10 and 11,320.06 is: 16,990.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,405.57 : 33,629.10 = 11,320.06 : x
  2. Step 2: Convert to fraction form
    22,405.57/33,629.10 = 11,320.06/x
  3. Step 3: Cross multiply
    22,405.57x = 33,629.10 × 11,320.06
  4. Step 4: Simplify right side
    22,405.57x = 380,683,429.75
  5. Step 5: Solve for x
    x = 380,683,429.75/22,405.57
  6. Step 6: Final answer
    x = 16,990.57

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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.