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Finding the Fourth Proportional to 15,197.81, 22,801.98 and 5,338.49

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Solution

The fourth proportional to 15,197.81, 22,801.98 and 5,338.49 is: 8,009.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197.81 : 22,801.98 = 5,338.49 : x
  2. Step 2: Convert to fraction form
    15,197.81/22,801.98 = 5,338.49/x
  3. Step 3: Cross multiply
    15,197.81x = 22,801.98 × 5,338.49
  4. Step 4: Simplify right side
    15,197.81x = 121,728,142.21
  5. Step 5: Solve for x
    x = 121,728,142.21/15,197.81
  6. Step 6: Final answer
    x = 8,009.58

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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.