Home / 22,418.16-33,636.36-11,900.04

Finding the Fourth Proportional to 22,418.16, 33,636.36 and 11,900.04

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Solution

The fourth proportional to 22,418.16, 33,636.36 and 11,900.04 is: 17,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,418.16 : 33,636.36 = 11,900.04 : x
  2. Step 2: Convert to fraction form
    22,418.16/33,636.36 = 11,900.04/x
  3. Step 3: Cross multiply
    22,418.16x = 33,636.36 × 11,900.04
  4. Step 4: Simplify right side
    22,418.16x = 400,274,029.45
  5. Step 5: Solve for x
    x = 400,274,029.45/22,418.16
  6. Step 6: Final answer
    x = 17,854.90

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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.