Home / 22,336.53-30,822.13-13,383.80

Finding the Fourth Proportional to 22,336.53, 30,822.13 and 13,383.80

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Solution

The fourth proportional to 22,336.53, 30,822.13 and 13,383.80 is: 18,468.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,336.53 : 30,822.13 = 13,383.80 : x
  2. Step 2: Convert to fraction form
    22,336.53/30,822.13 = 13,383.80/x
  3. Step 3: Cross multiply
    22,336.53x = 30,822.13 × 13,383.80
  4. Step 4: Simplify right side
    22,336.53x = 412,517,223.49
  5. Step 5: Solve for x
    x = 412,517,223.49/22,336.53
  6. Step 6: Final answer
    x = 18,468.28

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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.