Home / 22,279.14-33,420.45-7,487.94

Finding the Fourth Proportional to 22,279.14, 33,420.45 and 7,487.94

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Solution

The fourth proportional to 22,279.14, 33,420.45 and 7,487.94 is: 11,232.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,279.14 : 33,420.45 = 7,487.94 : x
  2. Step 2: Convert to fraction form
    22,279.14/33,420.45 = 7,487.94/x
  3. Step 3: Cross multiply
    22,279.14x = 33,420.45 × 7,487.94
  4. Step 4: Simplify right side
    22,279.14x = 250,250,324.37
  5. Step 5: Solve for x
    x = 250,250,324.37/22,279.14
  6. Step 6: Final answer
    x = 11,232.49

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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.