Home / 22,140.62-33,203.70-7,345.56

Finding the Fourth Proportional to 22,140.62, 33,203.70 and 7,345.56

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Solution

The fourth proportional to 22,140.62, 33,203.70 and 7,345.56 is: 11,015.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.62 : 33,203.70 = 7,345.56 : x
  2. Step 2: Convert to fraction form
    22,140.62/33,203.70 = 7,345.56/x
  3. Step 3: Cross multiply
    22,140.62x = 33,203.70 × 7,345.56
  4. Step 4: Simplify right side
    22,140.62x = 243,899,770.57
  5. Step 5: Solve for x
    x = 243,899,770.57/22,140.62
  6. Step 6: Final answer
    x = 11,015.94

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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.