Home / 22,320.14-33,420.24-11,768.21

Finding the Fourth Proportional to 22,320.14, 33,420.24 and 11,768.21

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Solution

The fourth proportional to 22,320.14, 33,420.24 and 11,768.21 is: 17,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.14 : 33,420.24 = 11,768.21 : x
  2. Step 2: Convert to fraction form
    22,320.14/33,420.24 = 11,768.21/x
  3. Step 3: Cross multiply
    22,320.14x = 33,420.24 × 11,768.21
  4. Step 4: Simplify right side
    22,320.14x = 393,296,402.57
  5. Step 5: Solve for x
    x = 393,296,402.57/22,320.14
  6. Step 6: Final answer
    x = 17,620.70

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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.