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Finding the Fourth Proportional to 14,892.90, 22,339.35 and 14,163.90

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Solution

The fourth proportional to 14,892.90, 22,339.35 and 14,163.90 is: 21,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,892.90 : 22,339.35 = 14,163.90 : x
  2. Step 2: Convert to fraction form
    14,892.90/22,339.35 = 14,163.90/x
  3. Step 3: Cross multiply
    14,892.90x = 22,339.35 × 14,163.90
  4. Step 4: Simplify right side
    14,892.90x = 316,412,319.47
  5. Step 5: Solve for x
    x = 316,412,319.47/14,892.90
  6. Step 6: Final answer
    x = 21,245.85

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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.