Home / 22,269.12-33,403.62-9,121.50

Finding the Fourth Proportional to 22,269.12, 33,403.62 and 9,121.50

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Solution

The fourth proportional to 22,269.12, 33,403.62 and 9,121.50 is: 13,682.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.12 : 33,403.62 = 9,121.50 : x
  2. Step 2: Convert to fraction form
    22,269.12/33,403.62 = 9,121.50/x
  3. Step 3: Cross multiply
    22,269.12x = 33,403.62 × 9,121.50
  4. Step 4: Simplify right side
    22,269.12x = 304,691,119.83
  5. Step 5: Solve for x
    x = 304,691,119.83/22,269.12
  6. Step 6: Final answer
    x = 13,682.23

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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.