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Finding the Fourth Proportional to 13,772.01, 19,000.88 and 8,028.15

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Solution

The fourth proportional to 13,772.01, 19,000.88 and 8,028.15 is: 11,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.01 : 19,000.88 = 8,028.15 : x
  2. Step 2: Convert to fraction form
    13,772.01/19,000.88 = 8,028.15/x
  3. Step 3: Cross multiply
    13,772.01x = 19,000.88 × 8,028.15
  4. Step 4: Simplify right side
    13,772.01x = 152,541,934.84
  5. Step 5: Solve for x
    x = 152,541,934.84/13,772.01
  6. Step 6: Final answer
    x = 11,076.23

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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.