Home / 22,117.20-33,175.80-13,822.80

Finding the Fourth Proportional to 22,117.20, 33,175.80 and 13,822.80

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Solution

The fourth proportional to 22,117.20, 33,175.80 and 13,822.80 is: 20,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.20 : 33,175.80 = 13,822.80 : x
  2. Step 2: Convert to fraction form
    22,117.20/33,175.80 = 13,822.80/x
  3. Step 3: Cross multiply
    22,117.20x = 33,175.80 × 13,822.80
  4. Step 4: Simplify right side
    22,117.20x = 458,582,448.24
  5. Step 5: Solve for x
    x = 458,582,448.24/22,117.20
  6. Step 6: Final answer
    x = 20,734.20

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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.