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Finding the Fourth Proportional to 14,124.11, 19,492.11 and 8,076.24

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Solution

The fourth proportional to 14,124.11, 19,492.11 and 8,076.24 is: 11,145.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.11 : 19,492.11 = 8,076.24 : x
  2. Step 2: Convert to fraction form
    14,124.11/19,492.11 = 8,076.24/x
  3. Step 3: Cross multiply
    14,124.11x = 19,492.11 × 8,076.24
  4. Step 4: Simplify right side
    14,124.11x = 157,422,958.47
  5. Step 5: Solve for x
    x = 157,422,958.47/14,124.11
  6. Step 6: Final answer
    x = 11,145.69

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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.