Home / 22,130.40-33,195.60-11,747.04

Finding the Fourth Proportional to 22,130.40, 33,195.60 and 11,747.04

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Solution

The fourth proportional to 22,130.40, 33,195.60 and 11,747.04 is: 17,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.40 : 33,195.60 = 11,747.04 : x
  2. Step 2: Convert to fraction form
    22,130.40/33,195.60 = 11,747.04/x
  3. Step 3: Cross multiply
    22,130.40x = 33,195.60 × 11,747.04
  4. Step 4: Simplify right side
    22,130.40x = 389,950,041.02
  5. Step 5: Solve for x
    x = 389,950,041.02/22,130.40
  6. Step 6: Final answer
    x = 17,620.56

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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.