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Finding the Fourth Proportional to 14,026.78, 19,358.11 and 8,059.60

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Solution

The fourth proportional to 14,026.78, 19,358.11 and 8,059.60 is: 11,122.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026.78 : 19,358.11 = 8,059.60 : x
  2. Step 2: Convert to fraction form
    14,026.78/19,358.11 = 8,059.60/x
  3. Step 3: Cross multiply
    14,026.78x = 19,358.11 × 8,059.60
  4. Step 4: Simplify right side
    14,026.78x = 156,018,623.36
  5. Step 5: Solve for x
    x = 156,018,623.36/14,026.78
  6. Step 6: Final answer
    x = 11,122.91

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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.