Home / 22,200.16-30,604.44-13,696.60

Finding the Fourth Proportional to 22,200.16, 30,604.44 and 13,696.60

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Solution

The fourth proportional to 22,200.16, 30,604.44 and 13,696.60 is: 18,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,200.16 : 30,604.44 = 13,696.60 : x
  2. Step 2: Convert to fraction form
    22,200.16/30,604.44 = 13,696.60/x
  3. Step 3: Cross multiply
    22,200.16x = 30,604.44 × 13,696.60
  4. Step 4: Simplify right side
    22,200.16x = 419,176,772.90
  5. Step 5: Solve for x
    x = 419,176,772.90/22,200.16
  6. Step 6: Final answer
    x = 18,881.70

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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.