Home / 22,195.13-30,629.27-12,259.77

Finding the Fourth Proportional to 22,195.13, 30,629.27 and 12,259.77

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Solution

The fourth proportional to 22,195.13, 30,629.27 and 12,259.77 is: 16,918.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195.13 : 30,629.27 = 12,259.77 : x
  2. Step 2: Convert to fraction form
    22,195.13/30,629.27 = 12,259.77/x
  3. Step 3: Cross multiply
    22,195.13x = 30,629.27 × 12,259.77
  4. Step 4: Simplify right side
    22,195.13x = 375,507,682.97
  5. Step 5: Solve for x
    x = 375,507,682.97/22,195.13
  6. Step 6: Final answer
    x = 16,918.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.