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Finding the Fourth Proportional to 14,797.80, 22,196.70 and 14,157.90

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Solution

The fourth proportional to 14,797.80, 22,196.70 and 14,157.90 is: 21,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,797.80 : 22,196.70 = 14,157.90 : x
  2. Step 2: Convert to fraction form
    14,797.80/22,196.70 = 14,157.90/x
  3. Step 3: Cross multiply
    14,797.80x = 22,196.70 × 14,157.90
  4. Step 4: Simplify right side
    14,797.80x = 314,258,658.93
  5. Step 5: Solve for x
    x = 314,258,658.93/14,797.80
  6. Step 6: Final answer
    x = 21,236.85

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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.